Home / 126,180,307.11-174,129,064.79-69,665,162.32

Finding the Fourth Proportional to 126,180,307.11, 174,129,064.79 and 69,665,162.32

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Solution

The fourth proportional to 126,180,307.11, 174,129,064.79 and 69,665,162.32 is: 96,138,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,180,307.11 : 174,129,064.79 = 69,665,162.32 : x
  2. Step 2: Convert to fraction form
    126,180,307.11/174,129,064.79 = 69,665,162.32/x
  3. Step 3: Cross multiply
    126,180,307.11x = 174,129,064.79 × 69,665,162.32
  4. Step 4: Simplify right side
    126,180,307.11x = 12,130,729,563,225,144
  5. Step 5: Solve for x
    x = 12,130,729,563,225,144/126,180,307.11
  6. Step 6: Final answer
    x = 96,138,057.05

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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.