Home / 78,266,614.60-116,872,891.25-63,918,166.60

Finding the Fourth Proportional to 78,266,614.60, 116,872,891.25 and 63,918,166.60

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Solution

The fourth proportional to 78,266,614.60, 116,872,891.25 and 63,918,166.60 is: 95,446,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,266,614.60 : 116,872,891.25 = 63,918,166.60 : x
  2. Step 2: Convert to fraction form
    78,266,614.60/116,872,891.25 = 63,918,166.60/x
  3. Step 3: Cross multiply
    78,266,614.60x = 116,872,891.25 × 63,918,166.60
  4. Step 4: Simplify right side
    78,266,614.60x = 7,470,300,933,941,182
  5. Step 5: Solve for x
    x = 7,470,300,933,941,182/78,266,614.60
  6. Step 6: Final answer
    x = 95,446,838.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.