Home / 191,071,302.60-286,181,801.10-157,059,078.60

Finding the Fourth Proportional to 191,071,302.60, 286,181,801.10 and 157,059,078.60

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Solution

The fourth proportional to 191,071,302.60, 286,181,801.10 and 157,059,078.60 is: 235,239,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,071,302.60 : 286,181,801.10 = 157,059,078.60 : x
  2. Step 2: Convert to fraction form
    191,071,302.60/286,181,801.10 = 157,059,078.60/x
  3. Step 3: Cross multiply
    191,071,302.60x = 286,181,801.10 × 157,059,078.60
  4. Step 4: Simplify right side
    191,071,302.60x = 44,947,449,992,854,472
  5. Step 5: Solve for x
    x = 44,947,449,992,854,472/191,071,302.60
  6. Step 6: Final answer
    x = 235,239,145.71

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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.