Home / 90,696,393.60-136,044,590.40-49,740,007.20

Finding the Fourth Proportional to 90,696,393.60, 136,044,590.40 and 49,740,007.20

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Solution

The fourth proportional to 90,696,393.60, 136,044,590.40 and 49,740,007.20 is: 74,610,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,696,393.60 : 136,044,590.40 = 49,740,007.20 : x
  2. Step 2: Convert to fraction form
    90,696,393.60/136,044,590.40 = 49,740,007.20/x
  3. Step 3: Cross multiply
    90,696,393.60x = 136,044,590.40 × 49,740,007.20
  4. Step 4: Simplify right side
    90,696,393.60x = 6,766,858,906,017,052
  5. Step 5: Solve for x
    x = 6,766,858,906,017,052/90,696,393.60
  6. Step 6: Final answer
    x = 74,610,010.80

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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.