Home / 102,432,035.20-153,648,052.80-84,737,315.20

Finding the Fourth Proportional to 102,432,035.20, 153,648,052.80 and 84,737,315.20

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Solution

The fourth proportional to 102,432,035.20, 153,648,052.80 and 84,737,315.20 is: 127,105,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,432,035.20 : 153,648,052.80 = 84,737,315.20 : x
  2. Step 2: Convert to fraction form
    102,432,035.20/153,648,052.80 = 84,737,315.20/x
  3. Step 3: Cross multiply
    102,432,035.20x = 153,648,052.80 × 84,737,315.20
  4. Step 4: Simplify right side
    102,432,035.20x = 13,019,723,479,979,844
  5. Step 5: Solve for x
    x = 13,019,723,479,979,844/102,432,035.20
  6. Step 6: Final answer
    x = 127,105,972.80

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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.