Home / 52,002,037.40-78,012,387.30-21,712,962.20

Finding the Fourth Proportional to 52,002,037.40, 78,012,387.30 and 21,712,962.20

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Solution

The fourth proportional to 52,002,037.40, 78,012,387.30 and 21,712,962.20 is: 32,573,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,037.40 : 78,012,387.30 = 21,712,962.20 : x
  2. Step 2: Convert to fraction form
    52,002,037.40/78,012,387.30 = 21,712,962.20/x
  3. Step 3: Cross multiply
    52,002,037.40x = 78,012,387.30 × 21,712,962.20
  4. Step 4: Simplify right side
    52,002,037.40x = 1,693,880,016,576,660
  5. Step 5: Solve for x
    x = 1,693,880,016,576,660/52,002,037.40
  6. Step 6: Final answer
    x = 32,573,339.45

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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.