Home / 218,951,590.11-302,153,995.13-118,480,028.19

Finding the Fourth Proportional to 218,951,590.11, 302,153,995.13 and 118,480,028.19

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Solution

The fourth proportional to 218,951,590.11, 302,153,995.13 and 118,480,028.19 is: 163,502,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,951,590.11 : 302,153,995.13 = 118,480,028.19 : x
  2. Step 2: Convert to fraction form
    218,951,590.11/302,153,995.13 = 118,480,028.19/x
  3. Step 3: Cross multiply
    218,951,590.11x = 302,153,995.13 × 118,480,028.19
  4. Step 4: Simplify right side
    218,951,590.11x = 35,799,213,860,723,520
  5. Step 5: Solve for x
    x = 35,799,213,860,723,520/218,951,590.11
  6. Step 6: Final answer
    x = 163,502,872.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.