Home / 88,678,163.70-122,433,448.55-79,369,613.73

Finding the Fourth Proportional to 88,678,163.70, 122,433,448.55 and 79,369,613.73

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Solution

The fourth proportional to 88,678,163.70, 122,433,448.55 and 79,369,613.73 is: 109,581,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678,163.70 : 122,433,448.55 = 79,369,613.73 : x
  2. Step 2: Convert to fraction form
    88,678,163.70/122,433,448.55 = 79,369,613.73/x
  3. Step 3: Cross multiply
    88,678,163.70x = 122,433,448.55 × 79,369,613.73
  4. Step 4: Simplify right side
    88,678,163.70x = 9,717,495,518,648,482
  5. Step 5: Solve for x
    x = 9,717,495,518,648,482/88,678,163.70
  6. Step 6: Final answer
    x = 109,581,605.13

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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.