Home / 83,105,999.40-124,658,999.10-40,059,278.40

Finding the Fourth Proportional to 83,105,999.40, 124,658,999.10 and 40,059,278.40

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Solution

The fourth proportional to 83,105,999.40, 124,658,999.10 and 40,059,278.40 is: 60,088,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,105,999.40 : 124,658,999.10 = 40,059,278.40 : x
  2. Step 2: Convert to fraction form
    83,105,999.40/124,658,999.10 = 40,059,278.40/x
  3. Step 3: Cross multiply
    83,105,999.40x = 124,658,999.10 × 40,059,278.40
  4. Step 4: Simplify right side
    83,105,999.40x = 4,993,749,550,012,249
  5. Step 5: Solve for x
    x = 4,993,749,550,012,249/83,105,999.40
  6. Step 6: Final answer
    x = 60,088,917.60

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1.5x scale

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.