Home / 91,406,644.20-126,141,170.40-52,249,269.24

Finding the Fourth Proportional to 91,406,644.20, 126,141,170.40 and 52,249,269.24

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Solution

The fourth proportional to 91,406,644.20, 126,141,170.40 and 52,249,269.24 is: 72,103,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,406,644.20 : 126,141,170.40 = 52,249,269.24 : x
  2. Step 2: Convert to fraction form
    91,406,644.20/126,141,170.40 = 52,249,269.24/x
  3. Step 3: Cross multiply
    91,406,644.20x = 126,141,170.40 × 52,249,269.24
  4. Step 4: Simplify right side
    91,406,644.20x = 6,590,783,974,478,319
  5. Step 5: Solve for x
    x = 6,590,783,974,478,319/91,406,644.20
  6. Step 6: Final answer
    x = 72,103,992.35

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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.