Home / 45,146,172,031.07-67,674,527,109.54-21,199,810,396.14

Finding the Fourth Proportional to 45,146,172,031.07, 67,674,527,109.54 and 21,199,810,396.14

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Solution

The fourth proportional to 45,146,172,031.07, 67,674,527,109.54 and 21,199,810,396.14 is: 31,778,710,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,146,172,031.07 : 67,674,527,109.54 = 21,199,810,396.14 : x
  2. Step 2: Convert to fraction form
    45,146,172,031.07/67,674,527,109.54 = 21,199,810,396.14/x
  3. Step 3: Cross multiply
    45,146,172,031.07x = 67,674,527,109.54 × 21,199,810,396.14
  4. Step 4: Simplify right side
    45,146,172,031.07x = 1,434,687,143,370,684,366,848
  5. Step 5: Solve for x
    x = 1,434,687,143,370,684,366,848/45,146,172,031.07
  6. Step 6: Final answer
    x = 31,778,710,770.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.