Home / 89,427,109.26-134,140,496.47-28,020,968.90

Finding the Fourth Proportional to 89,427,109.26, 134,140,496.47 and 28,020,968.90

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Solution

The fourth proportional to 89,427,109.26, 134,140,496.47 and 28,020,968.90 is: 42,031,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,427,109.26 : 134,140,496.47 = 28,020,968.90 : x
  2. Step 2: Convert to fraction form
    89,427,109.26/134,140,496.47 = 28,020,968.90/x
  3. Step 3: Cross multiply
    89,427,109.26x = 134,140,496.47 × 28,020,968.90
  4. Step 4: Simplify right side
    89,427,109.26x = 3,758,746,679,005,622.50
  5. Step 5: Solve for x
    x = 3,758,746,679,005,622.50/89,427,109.26
  6. Step 6: Final answer
    x = 42,031,400.88

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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.