Home / 84,246,365.60-126,369,548.40-74,680,427.60

Finding the Fourth Proportional to 84,246,365.60, 126,369,548.40 and 74,680,427.60

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Solution

The fourth proportional to 84,246,365.60, 126,369,548.40 and 74,680,427.60 is: 112,020,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,246,365.60 : 126,369,548.40 = 74,680,427.60 : x
  2. Step 2: Convert to fraction form
    84,246,365.60/126,369,548.40 = 74,680,427.60/x
  3. Step 3: Cross multiply
    84,246,365.60x = 126,369,548.40 × 74,680,427.60
  4. Step 4: Simplify right side
    84,246,365.60x = 9,437,331,910,130,896
  5. Step 5: Solve for x
    x = 9,437,331,910,130,896/84,246,365.60
  6. Step 6: Final answer
    x = 112,020,641.40

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1.5x scale

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.