Home / 98,589,680.42-136,041,905.91-56,787,340.95

Finding the Fourth Proportional to 98,589,680.42, 136,041,905.91 and 56,787,340.95

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Solution

The fourth proportional to 98,589,680.42, 136,041,905.91 and 56,787,340.95 is: 78,359,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,589,680.42 : 136,041,905.91 = 56,787,340.95 : x
  2. Step 2: Convert to fraction form
    98,589,680.42/136,041,905.91 = 56,787,340.95/x
  3. Step 3: Cross multiply
    98,589,680.42x = 136,041,905.91 × 56,787,340.95
  4. Step 4: Simplify right side
    98,589,680.42x = 7,725,458,094,398,990
  5. Step 5: Solve for x
    x = 7,725,458,094,398,990/98,589,680.42
  6. Step 6: Final answer
    x = 78,359,703.18

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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.