Home / 83,041,385.70-124,562,078.55-76,994,768.10

Finding the Fourth Proportional to 83,041,385.70, 124,562,078.55 and 76,994,768.10

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Solution

The fourth proportional to 83,041,385.70, 124,562,078.55 and 76,994,768.10 is: 115,492,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041,385.70 : 124,562,078.55 = 76,994,768.10 : x
  2. Step 2: Convert to fraction form
    83,041,385.70/124,562,078.55 = 76,994,768.10/x
  3. Step 3: Cross multiply
    83,041,385.70x = 124,562,078.55 × 76,994,768.10
  4. Step 4: Simplify right side
    83,041,385.70x = 9,590,628,352,011,234
  5. Step 5: Solve for x
    x = 9,590,628,352,011,234/83,041,385.70
  6. Step 6: Final answer
    x = 115,492,152.15

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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.