Home / 83,106,301.20-124,661,590.20-39,376,798.80

Finding the Fourth Proportional to 83,106,301.20, 124,661,590.20 and 39,376,798.80

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Solution

The fourth proportional to 83,106,301.20, 124,661,590.20 and 39,376,798.80 is: 59,066,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106,301.20 : 124,661,590.20 = 39,376,798.80 : x
  2. Step 2: Convert to fraction form
    83,106,301.20/124,661,590.20 = 39,376,798.80/x
  3. Step 3: Cross multiply
    83,106,301.20x = 124,661,590.20 × 39,376,798.80
  4. Step 4: Simplify right side
    83,106,301.20x = 4,908,774,355,393,452
  5. Step 5: Solve for x
    x = 4,908,774,355,393,452/83,106,301.20
  6. Step 6: Final answer
    x = 59,066,211.40

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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.