Home / 129,099,132.70-178,151,632.40-70,360,566.42

Finding the Fourth Proportional to 129,099,132.70, 178,151,632.40 and 70,360,566.42

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Solution

The fourth proportional to 129,099,132.70, 178,151,632.40 and 70,360,566.42 is: 97,094,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,099,132.70 : 178,151,632.40 = 70,360,566.42 : x
  2. Step 2: Convert to fraction form
    129,099,132.70/178,151,632.40 = 70,360,566.42/x
  3. Step 3: Cross multiply
    129,099,132.70x = 178,151,632.40 × 70,360,566.42
  4. Step 4: Simplify right side
    129,099,132.70x = 12,534,849,764,311,624
  5. Step 5: Solve for x
    x = 12,534,849,764,311,624/129,099,132.70
  6. Step 6: Final answer
    x = 97,094,763.55

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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.