Home / 124,686,051.20-187,033,353.60-38,423,772.80

Finding the Fourth Proportional to 124,686,051.20, 187,033,353.60 and 38,423,772.80

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Solution

The fourth proportional to 124,686,051.20, 187,033,353.60 and 38,423,772.80 is: 57,636,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,686,051.20 : 187,033,353.60 = 38,423,772.80 : x
  2. Step 2: Convert to fraction form
    124,686,051.20/187,033,353.60 = 38,423,772.80/x
  3. Step 3: Cross multiply
    124,686,051.20x = 187,033,353.60 × 38,423,772.80
  4. Step 4: Simplify right side
    124,686,051.20x = 7,186,527,084,748,461
  5. Step 5: Solve for x
    x = 7,186,527,084,748,461/124,686,051.20
  6. Step 6: Final answer
    x = 57,636,977.16

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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.