Home / 150,366,917.15-207,549,592.77-90,818,754.58

Finding the Fourth Proportional to 150,366,917.15, 207,549,592.77 and 90,818,754.58

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Solution

The fourth proportional to 150,366,917.15, 207,549,592.77 and 90,818,754.58 is: 125,356,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,366,917.15 : 207,549,592.77 = 90,818,754.58 : x
  2. Step 2: Convert to fraction form
    150,366,917.15/207,549,592.77 = 90,818,754.58/x
  3. Step 3: Cross multiply
    150,366,917.15x = 207,549,592.77 × 90,818,754.58
  4. Step 4: Simplify right side
    150,366,917.15x = 18,849,395,528,957,572
  5. Step 5: Solve for x
    x = 18,849,395,528,957,572/150,366,917.15
  6. Step 6: Final answer
    x = 125,356,001.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.