Home / 90,870,176.07-125,400,346.97-49,616,773.20

Finding the Fourth Proportional to 90,870,176.07, 125,400,346.97 and 49,616,773.20

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Solution

The fourth proportional to 90,870,176.07, 125,400,346.97 and 49,616,773.20 is: 68,470,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,870,176.07 : 125,400,346.97 = 49,616,773.20 : x
  2. Step 2: Convert to fraction form
    90,870,176.07/125,400,346.97 = 49,616,773.20/x
  3. Step 3: Cross multiply
    90,870,176.07x = 125,400,346.97 × 49,616,773.20
  4. Step 4: Simplify right side
    90,870,176.07x = 6,221,960,574,563,714
  5. Step 5: Solve for x
    x = 6,221,960,574,563,714/90,870,176.07
  6. Step 6: Final answer
    x = 68,470,876.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.