Home / 91,868,841.16-126,781,284-56,573,285.56

Finding the Fourth Proportional to 91,868,841.16, 126,781,284 and 56,573,285.56

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Solution

The fourth proportional to 91,868,841.16, 126,781,284 and 56,573,285.56 is: 78,072,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,868,841.16 : 126,781,284 = 56,573,285.56 : x
  2. Step 2: Convert to fraction form
    91,868,841.16/126,781,284 = 56,573,285.56/x
  3. Step 3: Cross multiply
    91,868,841.16x = 126,781,284 × 56,573,285.56
  4. Step 4: Simplify right side
    91,868,841.16x = 7,172,433,783,395,459
  5. Step 5: Solve for x
    x = 7,172,433,783,395,459/91,868,841.16
  6. Step 6: Final answer
    x = 78,072,540.08

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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.