Home / 127,152,065.70-190,728,098.55-31,413,953.70

Finding the Fourth Proportional to 127,152,065.70, 190,728,098.55 and 31,413,953.70

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Solution

The fourth proportional to 127,152,065.70, 190,728,098.55 and 31,413,953.70 is: 47,120,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,152,065.70 : 190,728,098.55 = 31,413,953.70 : x
  2. Step 2: Convert to fraction form
    127,152,065.70/190,728,098.55 = 31,413,953.70/x
  3. Step 3: Cross multiply
    127,152,065.70x = 190,728,098.55 × 31,413,953.70
  4. Step 4: Simplify right side
    127,152,065.70x = 5,991,523,657,138,737
  5. Step 5: Solve for x
    x = 5,991,523,657,138,737/127,152,065.70
  6. Step 6: Final answer
    x = 47,120,930.55

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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.