Home / 90,344,976.32-124,675,633.28-51,186,675.84

Finding the Fourth Proportional to 90,344,976.32, 124,675,633.28 and 51,186,675.84

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Solution

The fourth proportional to 90,344,976.32, 124,675,633.28 and 51,186,675.84 is: 70,637,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,344,976.32 : 124,675,633.28 = 51,186,675.84 : x
  2. Step 2: Convert to fraction form
    90,344,976.32/124,675,633.28 = 51,186,675.84/x
  3. Step 3: Cross multiply
    90,344,976.32x = 124,675,633.28 × 51,186,675.84
  4. Step 4: Simplify right side
    90,344,976.32x = 6,381,731,225,850,076
  5. Step 5: Solve for x
    x = 6,381,731,225,850,076/90,344,976.32
  6. Step 6: Final answer
    x = 70,637,366.74

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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.