Home / 72,306,332.67-99,782,430.56-39,266,350.46

Finding the Fourth Proportional to 72,306,332.67, 99,782,430.56 and 39,266,350.46

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Solution

The fourth proportional to 72,306,332.67, 99,782,430.56 and 39,266,350.46 is: 54,187,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,306,332.67 : 99,782,430.56 = 39,266,350.46 : x
  2. Step 2: Convert to fraction form
    72,306,332.67/99,782,430.56 = 39,266,350.46/x
  3. Step 3: Cross multiply
    72,306,332.67x = 99,782,430.56 × 39,266,350.46
  4. Step 4: Simplify right side
    72,306,332.67x = 3,918,091,887,945,763.50
  5. Step 5: Solve for x
    x = 3,918,091,887,945,763.50/72,306,332.67
  6. Step 6: Final answer
    x = 54,187,396.08

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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.