Home / 83,041,386.20-124,562,079.30-76,994,768.60

Finding the Fourth Proportional to 83,041,386.20, 124,562,079.30 and 76,994,768.60

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Solution

The fourth proportional to 83,041,386.20, 124,562,079.30 and 76,994,768.60 is: 115,492,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041,386.20 : 124,562,079.30 = 76,994,768.60 : x
  2. Step 2: Convert to fraction form
    83,041,386.20/124,562,079.30 = 76,994,768.60/x
  3. Step 3: Cross multiply
    83,041,386.20x = 124,562,079.30 × 76,994,768.60
  4. Step 4: Simplify right side
    83,041,386.20x = 9,590,628,472,038,350
  5. Step 5: Solve for x
    x = 9,590,628,472,038,350/83,041,386.20
  6. Step 6: Final answer
    x = 115,492,152.90

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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.