Home / 60,680,658.12-83,762,079.80-39,774,037.72

Finding the Fourth Proportional to 60,680,658.12, 83,762,079.80 and 39,774,037.72

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Solution

The fourth proportional to 60,680,658.12, 83,762,079.80 and 39,774,037.72 is: 54,903,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,680,658.12 : 83,762,079.80 = 39,774,037.72 : x
  2. Step 2: Convert to fraction form
    60,680,658.12/83,762,079.80 = 39,774,037.72/x
  3. Step 3: Cross multiply
    60,680,658.12x = 83,762,079.80 × 39,774,037.72
  4. Step 4: Simplify right side
    60,680,658.12x = 3,331,556,121,470,850
  5. Step 5: Solve for x
    x = 3,331,556,121,470,850/60,680,658.12
  6. Step 6: Final answer
    x = 54,903,098.03

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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.