Home / 243,577,445.40-365,366,168.10-236,402,991.90

Finding the Fourth Proportional to 243,577,445.40, 365,366,168.10 and 236,402,991.90

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Solution

The fourth proportional to 243,577,445.40, 365,366,168.10 and 236,402,991.90 is: 354,604,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,577,445.40 : 365,366,168.10 = 236,402,991.90 : x
  2. Step 2: Convert to fraction form
    243,577,445.40/365,366,168.10 = 236,402,991.90/x
  3. Step 3: Cross multiply
    243,577,445.40x = 365,366,168.10 × 236,402,991.90
  4. Step 4: Simplify right side
    243,577,445.40x = 86,373,655,277,878,352
  5. Step 5: Solve for x
    x = 86,373,655,277,878,352/243,577,445.40
  6. Step 6: Final answer
    x = 354,604,487.85

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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.