Home / 124,734,000.70-186,817,565.85-78,817,498.30

Finding the Fourth Proportional to 124,734,000.70, 186,817,565.85 and 78,817,498.30

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Solution

The fourth proportional to 124,734,000.70, 186,817,565.85 and 78,817,498.30 is: 118,047,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,734,000.70 : 186,817,565.85 = 78,817,498.30 : x
  2. Step 2: Convert to fraction form
    124,734,000.70/186,817,565.85 = 78,817,498.30/x
  3. Step 3: Cross multiply
    124,734,000.70x = 186,817,565.85 × 78,817,498.30
  4. Step 4: Simplify right side
    124,734,000.70x = 14,724,493,178,792,512
  5. Step 5: Solve for x
    x = 14,724,493,178,792,512/124,734,000.70
  6. Step 6: Final answer
    x = 118,047,149.10

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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.