Home / 88,678,159.20-122,433,442.34-79,369,609.23

Finding the Fourth Proportional to 88,678,159.20, 122,433,442.34 and 79,369,609.23

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Solution

The fourth proportional to 88,678,159.20, 122,433,442.34 and 79,369,609.23 is: 109,581,598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678,159.20 : 122,433,442.34 = 79,369,609.23 : x
  2. Step 2: Convert to fraction form
    88,678,159.20/122,433,442.34 = 79,369,609.23/x
  3. Step 3: Cross multiply
    88,678,159.20x = 122,433,442.34 × 79,369,609.23
  4. Step 4: Simplify right side
    88,678,159.20x = 9,717,494,474,812,688
  5. Step 5: Solve for x
    x = 9,717,494,474,812,688/88,678,159.20
  6. Step 6: Final answer
    x = 109,581,598.92

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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.