Home / 121,293,089.80-181,815,631.80-59,787,651.40

Finding the Fourth Proportional to 121,293,089.80, 181,815,631.80 and 59,787,651.40

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Solution

The fourth proportional to 121,293,089.80, 181,815,631.80 and 59,787,651.40 is: 89,620,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,293,089.80 : 181,815,631.80 = 59,787,651.40 : x
  2. Step 2: Convert to fraction form
    121,293,089.80/181,815,631.80 = 59,787,651.40/x
  3. Step 3: Cross multiply
    121,293,089.80x = 181,815,631.80 × 59,787,651.40
  4. Step 4: Simplify right side
    121,293,089.80x = 10,870,329,613,129,154
  5. Step 5: Solve for x
    x = 10,870,329,613,129,154/121,293,089.80
  6. Step 6: Final answer
    x = 89,620,353.73

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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.