Home / 129,783,302.32-194,683,615.68-45,642,590.26

Finding the Fourth Proportional to 129,783,302.32, 194,683,615.68 and 45,642,590.26

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Solution

The fourth proportional to 129,783,302.32, 194,683,615.68 and 45,642,590.26 is: 68,466,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,783,302.32 : 194,683,615.68 = 45,642,590.26 : x
  2. Step 2: Convert to fraction form
    129,783,302.32/194,683,615.68 = 45,642,590.26/x
  3. Step 3: Cross multiply
    129,783,302.32x = 194,683,615.68 × 45,642,590.26
  4. Step 4: Simplify right side
    129,783,302.32x = 8,885,864,500,817,551
  5. Step 5: Solve for x
    x = 8,885,864,500,817,551/129,783,302.32
  6. Step 6: Final answer
    x = 68,466,931.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.