Home / 103,478,882.10-155,218,323.15-88,090,712.70

Finding the Fourth Proportional to 103,478,882.10, 155,218,323.15 and 88,090,712.70

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Solution

The fourth proportional to 103,478,882.10, 155,218,323.15 and 88,090,712.70 is: 132,136,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,478,882.10 : 155,218,323.15 = 88,090,712.70 : x
  2. Step 2: Convert to fraction form
    103,478,882.10/155,218,323.15 = 88,090,712.70/x
  3. Step 3: Cross multiply
    103,478,882.10x = 155,218,323.15 × 88,090,712.70
  4. Step 4: Simplify right side
    103,478,882.10x = 13,673,292,710,382,410
  5. Step 5: Solve for x
    x = 13,673,292,710,382,410/103,478,882.10
  6. Step 6: Final answer
    x = 132,136,069.05

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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.