Home / 84,061,795.06-126,129,105.60-45,154,848.52

Finding the Fourth Proportional to 84,061,795.06, 126,129,105.60 and 45,154,848.52

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Solution

The fourth proportional to 84,061,795.06, 126,129,105.60 and 45,154,848.52 is: 67,751,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,061,795.06 : 126,129,105.60 = 45,154,848.52 : x
  2. Step 2: Convert to fraction form
    84,061,795.06/126,129,105.60 = 45,154,848.52/x
  3. Step 3: Cross multiply
    84,061,795.06x = 126,129,105.60 × 45,154,848.52
  4. Step 4: Simplify right side
    84,061,795.06x = 5,695,340,657,331,084
  5. Step 5: Solve for x
    x = 5,695,340,657,331,084/84,061,795.06
  6. Step 6: Final answer
    x = 67,751,832.49

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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.