Home / 73,141,505.71-100,931,420.16-41,773,387.80

Finding the Fourth Proportional to 73,141,505.71, 100,931,420.16 and 41,773,387.80

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Solution

The fourth proportional to 73,141,505.71, 100,931,420.16 and 41,773,387.80 is: 57,645,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141,505.71 : 100,931,420.16 = 41,773,387.80 : x
  2. Step 2: Convert to fraction form
    73,141,505.71/100,931,420.16 = 41,773,387.80/x
  3. Step 3: Cross multiply
    73,141,505.71x = 100,931,420.16 × 41,773,387.80
  4. Step 4: Simplify right side
    73,141,505.71x = 4,216,247,355,548,417.50
  5. Step 5: Solve for x
    x = 4,216,247,355,548,417.50/73,141,505.71
  6. Step 6: Final answer
    x = 57,645,071.90

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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.