Home / 54,329,440,115.40-81,445,692,753.90-21,197,282,411.40

Finding the Fourth Proportional to 54,329,440,115.40, 81,445,692,753.90 and 21,197,282,411.40

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Solution

The fourth proportional to 54,329,440,115.40, 81,445,692,753.90 and 21,197,282,411.40 is: 31,777,013,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329,440,115.40 : 81,445,692,753.90 = 21,197,282,411.40 : x
  2. Step 2: Convert to fraction form
    54,329,440,115.40/81,445,692,753.90 = 21,197,282,411.40/x
  3. Step 3: Cross multiply
    54,329,440,115.40x = 81,445,692,753.90 × 21,197,282,411.40
  4. Step 4: Simplify right side
    54,329,440,115.40x = 1,726,427,350,496,533,020,672
  5. Step 5: Solve for x
    x = 1,726,427,350,496,533,020,672/54,329,440,115.40
  6. Step 6: Final answer
    x = 31,777,013,472.43

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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.