Home / 191,070,201.28-286,185,200.82-157,904,900.32

Finding the Fourth Proportional to 191,070,201.28, 286,185,200.82 and 157,904,900.32

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Solution

The fourth proportional to 191,070,201.28, 286,185,200.82 and 157,904,900.32 is: 236,510,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,070,201.28 : 286,185,200.82 = 157,904,900.32 : x
  2. Step 2: Convert to fraction form
    191,070,201.28/286,185,200.82 = 157,904,900.32/x
  3. Step 3: Cross multiply
    191,070,201.28x = 286,185,200.82 × 157,904,900.32
  4. Step 4: Simplify right side
    191,070,201.28x = 45,190,045,608,541,280
  5. Step 5: Solve for x
    x = 45,190,045,608,541,280/191,070,201.28
  6. Step 6: Final answer
    x = 236,510,169.07

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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.