Home / 89,879,808.40-134,819,712.60-74,750,822.80

Finding the Fourth Proportional to 89,879,808.40, 134,819,712.60 and 74,750,822.80

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Solution

The fourth proportional to 89,879,808.40, 134,819,712.60 and 74,750,822.80 is: 112,126,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,879,808.40 : 134,819,712.60 = 74,750,822.80 : x
  2. Step 2: Convert to fraction form
    89,879,808.40/134,819,712.60 = 74,750,822.80/x
  3. Step 3: Cross multiply
    89,879,808.40x = 134,819,712.60 × 74,750,822.80
  4. Step 4: Simplify right side
    89,879,808.40x = 10,077,884,446,509,526
  5. Step 5: Solve for x
    x = 10,077,884,446,509,526/89,879,808.40
  6. Step 6: Final answer
    x = 112,126,234.20

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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.