Home / 191,611,917.40-287,413,726.20-53,433,837.58

Finding the Fourth Proportional to 191,611,917.40, 287,413,726.20 and 53,433,837.58

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Solution

The fourth proportional to 191,611,917.40, 287,413,726.20 and 53,433,837.58 is: 80,149,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,611,917.40 : 287,413,726.20 = 53,433,837.58 : x
  2. Step 2: Convert to fraction form
    191,611,917.40/287,413,726.20 = 53,433,837.58/x
  3. Step 3: Cross multiply
    191,611,917.40x = 287,413,726.20 × 53,433,837.58
  4. Step 4: Simplify right side
    191,611,917.40x = 15,357,618,364,033,390
  5. Step 5: Solve for x
    x = 15,357,618,364,033,390/191,611,917.40
  6. Step 6: Final answer
    x = 80,149,599.11

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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.