Home / 188,247,787.40-282,371,681.10-51,932,952.20

Finding the Fourth Proportional to 188,247,787.40, 282,371,681.10 and 51,932,952.20

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Solution

The fourth proportional to 188,247,787.40, 282,371,681.10 and 51,932,952.20 is: 77,899,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,247,787.40 : 282,371,681.10 = 51,932,952.20 : x
  2. Step 2: Convert to fraction form
    188,247,787.40/282,371,681.10 = 51,932,952.20/x
  3. Step 3: Cross multiply
    188,247,787.40x = 282,371,681.10 × 51,932,952.20
  4. Step 4: Simplify right side
    188,247,787.40x = 14,664,395,017,199,946
  5. Step 5: Solve for x
    x = 14,664,395,017,199,946/188,247,787.40
  6. Step 6: Final answer
    x = 77,899,428.30

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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.