Home / 98,905,902.45-136,514,948.81-67,169,770.22

Finding the Fourth Proportional to 98,905,902.45, 136,514,948.81 and 67,169,770.22

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Solution

The fourth proportional to 98,905,902.45, 136,514,948.81 and 67,169,770.22 is: 92,711,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905,902.45 : 136,514,948.81 = 67,169,770.22 : x
  2. Step 2: Convert to fraction form
    98,905,902.45/136,514,948.81 = 67,169,770.22/x
  3. Step 3: Cross multiply
    98,905,902.45x = 136,514,948.81 × 67,169,770.22
  4. Step 4: Simplify right side
    98,905,902.45x = 9,169,677,743,168,200
  5. Step 5: Solve for x
    x = 9,169,677,743,168,200/98,905,902.45
  6. Step 6: Final answer
    x = 92,711,127.61

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1.5x scale

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.