Home / 154,095,270.11-212,639,670.83-88,006,645.16

Finding the Fourth Proportional to 154,095,270.11, 212,639,670.83 and 88,006,645.16

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Solution

The fourth proportional to 154,095,270.11, 212,639,670.83 and 88,006,645.16 is: 121,442,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,095,270.11 : 212,639,670.83 = 88,006,645.16 : x
  2. Step 2: Convert to fraction form
    154,095,270.11/212,639,670.83 = 88,006,645.16/x
  3. Step 3: Cross multiply
    154,095,270.11x = 212,639,670.83 × 88,006,645.16
  4. Step 4: Simplify right side
    154,095,270.11x = 18,713,704,057,234,976
  5. Step 5: Solve for x
    x = 18,713,704,057,234,976/154,095,270.11
  6. Step 6: Final answer
    x = 121,442,430.02

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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.