Home / 381,683,309.10-572,524,963.65-136,316,999.40

Finding the Fourth Proportional to 381,683,309.10, 572,524,963.65 and 136,316,999.40

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Solution

The fourth proportional to 381,683,309.10, 572,524,963.65 and 136,316,999.40 is: 204,475,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,683,309.10 : 572,524,963.65 = 136,316,999.40 : x
  2. Step 2: Convert to fraction form
    381,683,309.10/572,524,963.65 = 136,316,999.40/x
  3. Step 3: Cross multiply
    381,683,309.10x = 572,524,963.65 × 136,316,999.40
  4. Step 4: Simplify right side
    381,683,309.10x = 78,044,885,126,362,064
  5. Step 5: Solve for x
    x = 78,044,885,126,362,064/381,683,309.10
  6. Step 6: Final answer
    x = 204,475,499.10

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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.