Home / 115,571,353.23-159,488,428.95-63,359,269.20

Finding the Fourth Proportional to 115,571,353.23, 159,488,428.95 and 63,359,269.20

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Solution

The fourth proportional to 115,571,353.23, 159,488,428.95 and 63,359,269.20 is: 87,435,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,571,353.23 : 159,488,428.95 = 63,359,269.20 : x
  2. Step 2: Convert to fraction form
    115,571,353.23/159,488,428.95 = 63,359,269.20/x
  3. Step 3: Cross multiply
    115,571,353.23x = 159,488,428.95 × 63,359,269.20
  4. Step 4: Simplify right side
    115,571,353.23x = 10,105,070,304,128,124
  5. Step 5: Solve for x
    x = 10,105,070,304,128,124/115,571,353.23
  6. Step 6: Final answer
    x = 87,435,770.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.