Home / 91,041,809.80-136,562,714.70-89,530,155.40

Finding the Fourth Proportional to 91,041,809.80, 136,562,714.70 and 89,530,155.40

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Solution

The fourth proportional to 91,041,809.80, 136,562,714.70 and 89,530,155.40 is: 134,295,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,041,809.80 : 136,562,714.70 = 89,530,155.40 : x
  2. Step 2: Convert to fraction form
    91,041,809.80/136,562,714.70 = 89,530,155.40/x
  3. Step 3: Cross multiply
    91,041,809.80x = 136,562,714.70 × 89,530,155.40
  4. Step 4: Simplify right side
    91,041,809.80x = 12,226,481,068,936,864
  5. Step 5: Solve for x
    x = 12,226,481,068,936,864/91,041,809.80
  6. Step 6: Final answer
    x = 134,295,233.10

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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.