Home / 268,661,252.20-402,991,878.30-86,908,430.20

Finding the Fourth Proportional to 268,661,252.20, 402,991,878.30 and 86,908,430.20

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Solution

The fourth proportional to 268,661,252.20, 402,991,878.30 and 86,908,430.20 is: 130,362,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,661,252.20 : 402,991,878.30 = 86,908,430.20 : x
  2. Step 2: Convert to fraction form
    268,661,252.20/402,991,878.30 = 86,908,430.20/x
  3. Step 3: Cross multiply
    268,661,252.20x = 402,991,878.30 × 86,908,430.20
  4. Step 4: Simplify right side
    268,661,252.20x = 35,023,391,526,402,448
  5. Step 5: Solve for x
    x = 35,023,391,526,402,448/268,661,252.20
  6. Step 6: Final answer
    x = 130,362,645.30

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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.