Home / 127,670,671.80-191,506,007.70-51,005,532.60

Finding the Fourth Proportional to 127,670,671.80, 191,506,007.70 and 51,005,532.60

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Solution

The fourth proportional to 127,670,671.80, 191,506,007.70 and 51,005,532.60 is: 76,508,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,670,671.80 : 191,506,007.70 = 51,005,532.60 : x
  2. Step 2: Convert to fraction form
    127,670,671.80/191,506,007.70 = 51,005,532.60/x
  3. Step 3: Cross multiply
    127,670,671.80x = 191,506,007.70 × 51,005,532.60
  4. Step 4: Simplify right side
    127,670,671.80x = 9,767,865,918,838,200
  5. Step 5: Solve for x
    x = 9,767,865,918,838,200/127,670,671.80
  6. Step 6: Final answer
    x = 76,508,298.90

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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.