Home / 100,282,644.43-138,339,117.58-65,495,697.55

Finding the Fourth Proportional to 100,282,644.43, 138,339,117.58 and 65,495,697.55

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Solution

The fourth proportional to 100,282,644.43, 138,339,117.58 and 65,495,697.55 is: 90,350,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,282,644.43 : 138,339,117.58 = 65,495,697.55 : x
  2. Step 2: Convert to fraction form
    100,282,644.43/138,339,117.58 = 65,495,697.55/x
  3. Step 3: Cross multiply
    100,282,644.43x = 138,339,117.58 × 65,495,697.55
  4. Step 4: Simplify right side
    100,282,644.43x = 9,060,617,003,462,118
  5. Step 5: Solve for x
    x = 9,060,617,003,462,118/100,282,644.43
  6. Step 6: Final answer
    x = 90,350,798.54

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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.