Home / 91,034,042.10-136,551,063.15-54,683,477.70

Finding the Fourth Proportional to 91,034,042.10, 136,551,063.15 and 54,683,477.70

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Solution

The fourth proportional to 91,034,042.10, 136,551,063.15 and 54,683,477.70 is: 82,025,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,034,042.10 : 136,551,063.15 = 54,683,477.70 : x
  2. Step 2: Convert to fraction form
    91,034,042.10/136,551,063.15 = 54,683,477.70/x
  3. Step 3: Cross multiply
    91,034,042.10x = 136,551,063.15 × 54,683,477.70
  4. Step 4: Simplify right side
    91,034,042.10x = 7,467,087,016,674,317
  5. Step 5: Solve for x
    x = 7,467,087,016,674,317/91,034,042.10
  6. Step 6: Final answer
    x = 82,025,216.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.