Home / 99,696,587.80-149,565,099.30-56,586,443.80

Finding the Fourth Proportional to 99,696,587.80, 149,565,099.30 and 56,586,443.80

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Solution

The fourth proportional to 99,696,587.80, 149,565,099.30 and 56,586,443.80 is: 84,891,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,587.80 : 149,565,099.30 = 56,586,443.80 : x
  2. Step 2: Convert to fraction form
    99,696,587.80/149,565,099.30 = 56,586,443.80/x
  3. Step 3: Cross multiply
    99,696,587.80x = 149,565,099.30 × 56,586,443.80
  4. Step 4: Simplify right side
    99,696,587.80x = 8,463,357,085,980,870
  5. Step 5: Solve for x
    x = 8,463,357,085,980,870/99,696,587.80
  6. Step 6: Final answer
    x = 84,891,140.94

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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.