Home / 119,788,572.10-165,308,340.04-64,784,428.60

Finding the Fourth Proportional to 119,788,572.10, 165,308,340.04 and 64,784,428.60

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Solution

The fourth proportional to 119,788,572.10, 165,308,340.04 and 64,784,428.60 is: 89,402,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,788,572.10 : 165,308,340.04 = 64,784,428.60 : x
  2. Step 2: Convert to fraction form
    119,788,572.10/165,308,340.04 = 64,784,428.60/x
  3. Step 3: Cross multiply
    119,788,572.10x = 165,308,340.04 × 64,784,428.60
  4. Step 4: Simplify right side
    119,788,572.10x = 10,709,406,352,305,900
  5. Step 5: Solve for x
    x = 10,709,406,352,305,900/119,788,572.10
  6. Step 6: Final answer
    x = 89,402,571.25

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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.