Home / 113,429,145.60-170,349,004.80-99,320,371.20

Finding the Fourth Proportional to 113,429,145.60, 170,349,004.80 and 99,320,371.20

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Solution

The fourth proportional to 113,429,145.60, 170,349,004.80 and 99,320,371.20 is: 149,160,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,429,145.60 : 170,349,004.80 = 99,320,371.20 : x
  2. Step 2: Convert to fraction form
    113,429,145.60/170,349,004.80 = 99,320,371.20/x
  3. Step 3: Cross multiply
    113,429,145.60x = 170,349,004.80 × 99,320,371.20
  4. Step 4: Simplify right side
    113,429,145.60x = 16,919,126,390,286,584
  5. Step 5: Solve for x
    x = 16,919,126,390,286,584/113,429,145.60
  6. Step 6: Final answer
    x = 149,160,308.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.