Home / 187,721,310.87-259,055,967-104,095,332.81

Finding the Fourth Proportional to 187,721,310.87, 259,055,967 and 104,095,332.81

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Solution

The fourth proportional to 187,721,310.87, 259,055,967 and 104,095,332.81 is: 143,651,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,721,310.87 : 259,055,967 = 104,095,332.81 : x
  2. Step 2: Convert to fraction form
    187,721,310.87/259,055,967 = 104,095,332.81/x
  3. Step 3: Cross multiply
    187,721,310.87x = 259,055,967 × 104,095,332.81
  4. Step 4: Simplify right side
    187,721,310.87x = 26,966,517,101,281,376
  5. Step 5: Solve for x
    x = 26,966,517,101,281,376/187,721,310.87
  6. Step 6: Final answer
    x = 143,651,868.70

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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.