Home / 127,499,648.70-190,930,608.45-101,990,480.70

Finding the Fourth Proportional to 127,499,648.70, 190,930,608.45 and 101,990,480.70

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Solution

The fourth proportional to 127,499,648.70, 190,930,608.45 and 101,990,480.70 is: 152,730,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,499,648.70 : 190,930,608.45 = 101,990,480.70 : x
  2. Step 2: Convert to fraction form
    127,499,648.70/190,930,608.45 = 101,990,480.70/x
  3. Step 3: Cross multiply
    127,499,648.70x = 190,930,608.45 × 101,990,480.70
  4. Step 4: Simplify right side
    127,499,648.70x = 19,473,104,536,158,980
  5. Step 5: Solve for x
    x = 19,473,104,536,158,980/127,499,648.70
  6. Step 6: Final answer
    x = 152,730,652.47

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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.