Home / 124,786,928.20-172,249,252.50-85,757,901.16

Finding the Fourth Proportional to 124,786,928.20, 172,249,252.50 and 85,757,901.16

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Solution

The fourth proportional to 124,786,928.20, 172,249,252.50 and 85,757,901.16 is: 118,375,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,786,928.20 : 172,249,252.50 = 85,757,901.16 : x
  2. Step 2: Convert to fraction form
    124,786,928.20/172,249,252.50 = 85,757,901.16/x
  3. Step 3: Cross multiply
    124,786,928.20x = 172,249,252.50 × 85,757,901.16
  4. Step 4: Simplify right side
    124,786,928.20x = 14,771,734,370,778,882
  5. Step 5: Solve for x
    x = 14,771,734,370,778,882/124,786,928.20
  6. Step 6: Final answer
    x = 118,375,655.08

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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.