Home / 129,413,411.80-194,120,117.70-61,388,963.80

Finding the Fourth Proportional to 129,413,411.80, 194,120,117.70 and 61,388,963.80

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Solution

The fourth proportional to 129,413,411.80, 194,120,117.70 and 61,388,963.80 is: 92,083,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,413,411.80 : 194,120,117.70 = 61,388,963.80 : x
  2. Step 2: Convert to fraction form
    129,413,411.80/194,120,117.70 = 61,388,963.80/x
  3. Step 3: Cross multiply
    129,413,411.80x = 194,120,117.70 × 61,388,963.80
  4. Step 4: Simplify right side
    129,413,411.80x = 11,916,832,878,337,038
  5. Step 5: Solve for x
    x = 11,916,832,878,337,038/129,413,411.80
  6. Step 6: Final answer
    x = 92,083,445.70

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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.