Home / 84,657,427.60-126,986,141.40-27,155,511.40

Finding the Fourth Proportional to 84,657,427.60, 126,986,141.40 and 27,155,511.40

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Solution

The fourth proportional to 84,657,427.60, 126,986,141.40 and 27,155,511.40 is: 40,733,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,657,427.60 : 126,986,141.40 = 27,155,511.40 : x
  2. Step 2: Convert to fraction form
    84,657,427.60/126,986,141.40 = 27,155,511.40/x
  3. Step 3: Cross multiply
    84,657,427.60x = 126,986,141.40 × 27,155,511.40
  4. Step 4: Simplify right side
    84,657,427.60x = 3,448,373,610,429,712
  5. Step 5: Solve for x
    x = 3,448,373,610,429,712/84,657,427.60
  6. Step 6: Final answer
    x = 40,733,267.10

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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.