Home / 154,095,270.61-212,639,671.51-88,006,645.66

Finding the Fourth Proportional to 154,095,270.61, 212,639,671.51 and 88,006,645.66

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Solution

The fourth proportional to 154,095,270.61, 212,639,671.51 and 88,006,645.66 is: 121,442,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,095,270.61 : 212,639,671.51 = 88,006,645.66 : x
  2. Step 2: Convert to fraction form
    154,095,270.61/212,639,671.51 = 88,006,645.66/x
  3. Step 3: Cross multiply
    154,095,270.61x = 212,639,671.51 × 88,006,645.66
  4. Step 4: Simplify right side
    154,095,270.61x = 18,713,704,223,839,364
  5. Step 5: Solve for x
    x = 18,713,704,223,839,364/154,095,270.61
  6. Step 6: Final answer
    x = 121,442,430.71

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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.