Home / 243,523,378.80-365,336,754.30-79,749,038.16

Finding the Fourth Proportional to 243,523,378.80, 365,336,754.30 and 79,749,038.16

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Solution

The fourth proportional to 243,523,378.80, 365,336,754.30 and 79,749,038.16 is: 119,640,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,523,378.80 : 365,336,754.30 = 79,749,038.16 : x
  2. Step 2: Convert to fraction form
    243,523,378.80/365,336,754.30 = 79,749,038.16/x
  3. Step 3: Cross multiply
    243,523,378.80x = 365,336,754.30 × 79,749,038.16
  4. Step 4: Simplify right side
    243,523,378.80x = 29,135,254,759,921,244
  5. Step 5: Solve for x
    x = 29,135,254,759,921,244/243,523,378.80
  6. Step 6: Final answer
    x = 119,640,483.40

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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.