Home / 70,102,449.47-105,059,680.19-54,559,046.93

Finding the Fourth Proportional to 70,102,449.47, 105,059,680.19 and 54,559,046.93

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Solution

The fourth proportional to 70,102,449.47, 105,059,680.19 and 54,559,046.93 is: 81,765,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,449.47 : 105,059,680.19 = 54,559,046.93 : x
  2. Step 2: Convert to fraction form
    70,102,449.47/105,059,680.19 = 54,559,046.93/x
  3. Step 3: Cross multiply
    70,102,449.47x = 105,059,680.19 × 54,559,046.93
  4. Step 4: Simplify right side
    70,102,449.47x = 5,731,956,022,058,180
  5. Step 5: Solve for x
    x = 5,731,956,022,058,180/70,102,449.47
  6. Step 6: Final answer
    x = 81,765,417.12

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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.