Home / 88,128,521.80-132,192,782.70-85,609,097.80

Finding the Fourth Proportional to 88,128,521.80, 132,192,782.70 and 85,609,097.80

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Solution

The fourth proportional to 88,128,521.80, 132,192,782.70 and 85,609,097.80 is: 128,413,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,521.80 : 132,192,782.70 = 85,609,097.80 : x
  2. Step 2: Convert to fraction form
    88,128,521.80/132,192,782.70 = 85,609,097.80/x
  3. Step 3: Cross multiply
    88,128,521.80x = 132,192,782.70 × 85,609,097.80
  4. Step 4: Simplify right side
    88,128,521.80x = 11,316,904,862,618,448
  5. Step 5: Solve for x
    x = 11,316,904,862,618,448/88,128,521.80
  6. Step 6: Final answer
    x = 128,413,646.70

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1.5x scale

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.