Home / 152,465,331.62-210,386,319.08-89,737,688.64

Finding the Fourth Proportional to 152,465,331.62, 210,386,319.08 and 89,737,688.64

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Solution

The fourth proportional to 152,465,331.62, 210,386,319.08 and 89,737,688.64 is: 123,828,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,465,331.62 : 210,386,319.08 = 89,737,688.64 : x
  2. Step 2: Convert to fraction form
    152,465,331.62/210,386,319.08 = 89,737,688.64/x
  3. Step 3: Cross multiply
    152,465,331.62x = 210,386,319.08 × 89,737,688.64
  4. Step 4: Simplify right side
    152,465,331.62x = 18,879,581,995,716,732
  5. Step 5: Solve for x
    x = 18,879,581,995,716,732/152,465,331.62
  6. Step 6: Final answer
    x = 123,828,688.10

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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.