Home / 98,636,681.12-148,013,472-54,954,002.40

Finding the Fourth Proportional to 98,636,681.12, 148,013,472 and 54,954,002.40

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Solution

The fourth proportional to 98,636,681.12, 148,013,472 and 54,954,002.40 is: 82,463,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,636,681.12 : 148,013,472 = 54,954,002.40 : x
  2. Step 2: Convert to fraction form
    98,636,681.12/148,013,472 = 54,954,002.40/x
  3. Step 3: Cross multiply
    98,636,681.12x = 148,013,472 × 54,954,002.40
  4. Step 4: Simplify right side
    98,636,681.12x = 8,133,932,695,520,333
  5. Step 5: Solve for x
    x = 8,133,932,695,520,333/98,636,681.12
  6. Step 6: Final answer
    x = 82,463,568.35

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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.