Home / 88,144,823.80-132,217,235.70-78,319,070.20

Finding the Fourth Proportional to 88,144,823.80, 132,217,235.70 and 78,319,070.20

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Solution

The fourth proportional to 88,144,823.80, 132,217,235.70 and 78,319,070.20 is: 117,478,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,144,823.80 : 132,217,235.70 = 78,319,070.20 : x
  2. Step 2: Convert to fraction form
    88,144,823.80/132,217,235.70 = 78,319,070.20/x
  3. Step 3: Cross multiply
    88,144,823.80x = 132,217,235.70 × 78,319,070.20
  4. Step 4: Simplify right side
    88,144,823.80x = 10,355,130,964,438,246
  5. Step 5: Solve for x
    x = 10,355,130,964,438,246/88,144,823.80
  6. Step 6: Final answer
    x = 117,478,605.30

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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.