Home / 212,822,451.60-319,233,677.40-208,039,482.60

Finding the Fourth Proportional to 212,822,451.60, 319,233,677.40 and 208,039,482.60

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Solution

The fourth proportional to 212,822,451.60, 319,233,677.40 and 208,039,482.60 is: 312,059,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,822,451.60 : 319,233,677.40 = 208,039,482.60 : x
  2. Step 2: Convert to fraction form
    212,822,451.60/319,233,677.40 = 208,039,482.60/x
  3. Step 3: Cross multiply
    212,822,451.60x = 319,233,677.40 × 208,039,482.60
  4. Step 4: Simplify right side
    212,822,451.60x = 66,413,209,074,791,304
  5. Step 5: Solve for x
    x = 66,413,209,074,791,304/212,822,451.60
  6. Step 6: Final answer
    x = 312,059,223.90

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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.