Home / 89,929,684.67-134,690,223.24-70,377,056.87

Finding the Fourth Proportional to 89,929,684.67, 134,690,223.24 and 70,377,056.87

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Solution

The fourth proportional to 89,929,684.67, 134,690,223.24 and 70,377,056.87 is: 105,405,701.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,929,684.67 : 134,690,223.24 = 70,377,056.87 : x
  2. Step 2: Convert to fraction form
    89,929,684.67/134,690,223.24 = 70,377,056.87/x
  3. Step 3: Cross multiply
    89,929,684.67x = 134,690,223.24 × 70,377,056.87
  4. Step 4: Simplify right side
    89,929,684.67x = 9,479,101,500,121,024
  5. Step 5: Solve for x
    x = 9,479,101,500,121,024/89,929,684.67
  6. Step 6: Final answer
    x = 105,405,701.53

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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.