Home / 157,464,405.40-236,196,608.10-99,785,342.20

Finding the Fourth Proportional to 157,464,405.40, 236,196,608.10 and 99,785,342.20

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Solution

The fourth proportional to 157,464,405.40, 236,196,608.10 and 99,785,342.20 is: 149,678,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,405.40 : 236,196,608.10 = 99,785,342.20 : x
  2. Step 2: Convert to fraction form
    157,464,405.40/236,196,608.10 = 99,785,342.20/x
  3. Step 3: Cross multiply
    157,464,405.40x = 236,196,608.10 × 99,785,342.20
  4. Step 4: Simplify right side
    157,464,405.40x = 23,568,959,365,737,792
  5. Step 5: Solve for x
    x = 23,568,959,365,737,792/157,464,405.40
  6. Step 6: Final answer
    x = 149,678,013.30

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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.