Home / 113,784,071.76-157,022,432.55-61,573,101.48

Finding the Fourth Proportional to 113,784,071.76, 157,022,432.55 and 61,573,101.48

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Solution

The fourth proportional to 113,784,071.76, 157,022,432.55 and 61,573,101.48 is: 84,971,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,784,071.76 : 157,022,432.55 = 61,573,101.48 : x
  2. Step 2: Convert to fraction form
    113,784,071.76/157,022,432.55 = 61,573,101.48/x
  3. Step 3: Cross multiply
    113,784,071.76x = 157,022,432.55 × 61,573,101.48
  4. Step 4: Simplify right side
    113,784,071.76x = 9,668,358,174,037,606
  5. Step 5: Solve for x
    x = 9,668,358,174,037,606/113,784,071.76
  6. Step 6: Final answer
    x = 84,971,103.82

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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.