Home / 212,878,925.82-319,068,037.26-96,158,046.87

Finding the Fourth Proportional to 212,878,925.82, 319,068,037.26 and 96,158,046.87

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Solution

The fourth proportional to 212,878,925.82, 319,068,037.26 and 96,158,046.87 is: 144,123,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,878,925.82 : 319,068,037.26 = 96,158,046.87 : x
  2. Step 2: Convert to fraction form
    212,878,925.82/319,068,037.26 = 96,158,046.87/x
  3. Step 3: Cross multiply
    212,878,925.82x = 319,068,037.26 × 96,158,046.87
  4. Step 4: Simplify right side
    212,878,925.82x = 30,680,959,281,565,988
  5. Step 5: Solve for x
    x = 30,680,959,281,565,988/212,878,925.82
  6. Step 6: Final answer
    x = 144,123,985.80

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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.