Home / 91,796,265.10-126,677,657.55-49,979,850.78

Finding the Fourth Proportional to 91,796,265.10, 126,677,657.55 and 49,979,850.78

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Solution

The fourth proportional to 91,796,265.10, 126,677,657.55 and 49,979,850.78 is: 68,971,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,796,265.10 : 126,677,657.55 = 49,979,850.78 : x
  2. Step 2: Convert to fraction form
    91,796,265.10/126,677,657.55 = 49,979,850.78/x
  3. Step 3: Cross multiply
    91,796,265.10x = 126,677,657.55 × 49,979,850.78
  4. Step 4: Simplify right side
    91,796,265.10x = 6,331,330,421,508,940
  5. Step 5: Solve for x
    x = 6,331,330,421,508,940/91,796,265.10
  6. Step 6: Final answer
    x = 68,971,547.10

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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.