Home / 124,767,705.10-187,164,064.05-42,875,797.90

Finding the Fourth Proportional to 124,767,705.10, 187,164,064.05 and 42,875,797.90

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Solution

The fourth proportional to 124,767,705.10, 187,164,064.05 and 42,875,797.90 is: 64,317,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,767,705.10 : 187,164,064.05 = 42,875,797.90 : x
  2. Step 2: Convert to fraction form
    124,767,705.10/187,164,064.05 = 42,875,797.90/x
  3. Step 3: Cross multiply
    124,767,705.10x = 187,164,064.05 × 42,875,797.90
  4. Step 4: Simplify right side
    124,767,705.10x = 8,024,808,584,350,456
  5. Step 5: Solve for x
    x = 8,024,808,584,350,456/124,767,705.10
  6. Step 6: Final answer
    x = 64,317,994.61

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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.