Home / 45,146,172,032.57-67,674,527,111.79-21,199,810,397.64

Finding the Fourth Proportional to 45,146,172,032.57, 67,674,527,111.79 and 21,199,810,397.64

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Solution

The fourth proportional to 45,146,172,032.57, 67,674,527,111.79 and 21,199,810,397.64 is: 31,778,710,772.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,146,172,032.57 : 67,674,527,111.79 = 21,199,810,397.64 : x
  2. Step 2: Convert to fraction form
    45,146,172,032.57/67,674,527,111.79 = 21,199,810,397.64/x
  3. Step 3: Cross multiply
    45,146,172,032.57x = 67,674,527,111.79 × 21,199,810,397.64
  4. Step 4: Simplify right side
    45,146,172,032.57x = 1,434,687,143,519,895,683,072
  5. Step 5: Solve for x
    x = 1,434,687,143,519,895,683,072/45,146,172,032.57
  6. Step 6: Final answer
    x = 31,778,710,772.75

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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.