Home / 243,975,377.28-365,983,733.06-78,002,810.04

Finding the Fourth Proportional to 243,975,377.28, 365,983,733.06 and 78,002,810.04

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Solution

The fourth proportional to 243,975,377.28, 365,983,733.06 and 78,002,810.04 is: 117,010,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,975,377.28 : 365,983,733.06 = 78,002,810.04 : x
  2. Step 2: Convert to fraction form
    243,975,377.28/365,983,733.06 = 78,002,810.04/x
  3. Step 3: Cross multiply
    243,975,377.28x = 365,983,733.06 × 78,002,810.04
  4. Step 4: Simplify right side
    243,975,377.28x = 28,547,759,607,609,252
  5. Step 5: Solve for x
    x = 28,547,759,607,609,252/243,975,377.28
  6. Step 6: Final answer
    x = 117,010,822.67

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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.