Home / 147,744,374.40-221,616,561.60-124,786,123.20

Finding the Fourth Proportional to 147,744,374.40, 221,616,561.60 and 124,786,123.20

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Solution

The fourth proportional to 147,744,374.40, 221,616,561.60 and 124,786,123.20 is: 187,179,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,374.40 : 221,616,561.60 = 124,786,123.20 : x
  2. Step 2: Convert to fraction form
    147,744,374.40/221,616,561.60 = 124,786,123.20/x
  3. Step 3: Cross multiply
    147,744,374.40x = 221,616,561.60 × 124,786,123.20
  4. Step 4: Simplify right side
    147,744,374.40x = 27,654,671,558,977,988
  5. Step 5: Solve for x
    x = 27,654,671,558,977,988/147,744,374.40
  6. Step 6: Final answer
    x = 187,179,184.80

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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.