Home / 103,672,011.02-155,531,211.72-38,976,376.59

Finding the Fourth Proportional to 103,672,011.02, 155,531,211.72 and 38,976,376.59

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Solution

The fourth proportional to 103,672,011.02, 155,531,211.72 and 38,976,376.59 is: 58,473,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672,011.02 : 155,531,211.72 = 38,976,376.59 : x
  2. Step 2: Convert to fraction form
    103,672,011.02/155,531,211.72 = 38,976,376.59/x
  3. Step 3: Cross multiply
    103,672,011.02x = 155,531,211.72 × 38,976,376.59
  4. Step 4: Simplify right side
    103,672,011.02x = 6,062,043,079,497,742
  5. Step 5: Solve for x
    x = 6,062,043,079,497,742/103,672,011.02
  6. Step 6: Final answer
    x = 58,473,285.31

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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.