Home / 212,293,064.13-318,333,036.36-123,690,314.10

Finding the Fourth Proportional to 212,293,064.13, 318,333,036.36 and 123,690,314.10

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Solution

The fourth proportional to 212,293,064.13, 318,333,036.36 and 123,690,314.10 is: 185,473,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,293,064.13 : 318,333,036.36 = 123,690,314.10 : x
  2. Step 2: Convert to fraction form
    212,293,064.13/318,333,036.36 = 123,690,314.10/x
  3. Step 3: Cross multiply
    212,293,064.13x = 318,333,036.36 × 123,690,314.10
  4. Step 4: Simplify right side
    212,293,064.13x = 39,374,713,255,775,120
  5. Step 5: Solve for x
    x = 39,374,713,255,775,120/212,293,064.13
  6. Step 6: Final answer
    x = 185,473,385.19

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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.