Home / 136,699,543.50-205,026,187.59-38,308,605.36

Finding the Fourth Proportional to 136,699,543.50, 205,026,187.59 and 38,308,605.36

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Solution

The fourth proportional to 136,699,543.50, 205,026,187.59 and 38,308,605.36 is: 57,456,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,699,543.50 : 205,026,187.59 = 38,308,605.36 : x
  2. Step 2: Convert to fraction form
    136,699,543.50/205,026,187.59 = 38,308,605.36/x
  3. Step 3: Cross multiply
    136,699,543.50x = 205,026,187.59 × 38,308,605.36
  4. Step 4: Simplify right side
    136,699,543.50x = 7,854,267,308,850,639
  5. Step 5: Solve for x
    x = 7,854,267,308,850,639/136,699,543.50
  6. Step 6: Final answer
    x = 57,456,426.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.