Home / 89,338,427.70-134,007,641.55-80,268,501.30

Finding the Fourth Proportional to 89,338,427.70, 134,007,641.55 and 80,268,501.30

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Solution

The fourth proportional to 89,338,427.70, 134,007,641.55 and 80,268,501.30 is: 120,402,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,338,427.70 : 134,007,641.55 = 80,268,501.30 : x
  2. Step 2: Convert to fraction form
    89,338,427.70/134,007,641.55 = 80,268,501.30/x
  3. Step 3: Cross multiply
    89,338,427.70x = 134,007,641.55 × 80,268,501.30
  4. Step 4: Simplify right side
    89,338,427.70x = 10,756,592,549,966,108
  5. Step 5: Solve for x
    x = 10,756,592,549,966,108/89,338,427.70
  6. Step 6: Final answer
    x = 120,402,751.95

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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.