Home / 108,276,774.81-149,382,690.40-71,127,058.74

Finding the Fourth Proportional to 108,276,774.81, 149,382,690.40 and 71,127,058.74

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Solution

The fourth proportional to 108,276,774.81, 149,382,690.40 and 71,127,058.74 is: 98,129,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,276,774.81 : 149,382,690.40 = 71,127,058.74 : x
  2. Step 2: Convert to fraction form
    108,276,774.81/149,382,690.40 = 71,127,058.74/x
  3. Step 3: Cross multiply
    108,276,774.81x = 149,382,690.40 × 71,127,058.74
  4. Step 4: Simplify right side
    108,276,774.81x = 10,625,151,393,948,312
  5. Step 5: Solve for x
    x = 10,625,151,393,948,312/108,276,774.81
  6. Step 6: Final answer
    x = 98,129,551.91

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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.