Home / 243,681,536.64-365,523,549.12-82,124,872.32

Finding the Fourth Proportional to 243,681,536.64, 365,523,549.12 and 82,124,872.32

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Solution

The fourth proportional to 243,681,536.64, 365,523,549.12 and 82,124,872.32 is: 123,187,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,681,536.64 : 365,523,549.12 = 82,124,872.32 : x
  2. Step 2: Convert to fraction form
    243,681,536.64/365,523,549.12 = 82,124,872.32/x
  3. Step 3: Cross multiply
    243,681,536.64x = 365,523,549.12 × 82,124,872.32
  4. Step 4: Simplify right side
    243,681,536.64x = 30,018,574,801,433,248
  5. Step 5: Solve for x
    x = 30,018,574,801,433,248/243,681,536.64
  6. Step 6: Final answer
    x = 123,187,727.78

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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.