Home / 130,278,401.60-195,417,602.40-84,928,769.60

Finding the Fourth Proportional to 130,278,401.60, 195,417,602.40 and 84,928,769.60

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Solution

The fourth proportional to 130,278,401.60, 195,417,602.40 and 84,928,769.60 is: 127,393,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,278,401.60 : 195,417,602.40 = 84,928,769.60 : x
  2. Step 2: Convert to fraction form
    130,278,401.60/195,417,602.40 = 84,928,769.60/x
  3. Step 3: Cross multiply
    130,278,401.60x = 195,417,602.40 × 84,928,769.60
  4. Step 4: Simplify right side
    130,278,401.60x = 16,596,576,530,014,006
  5. Step 5: Solve for x
    x = 16,596,576,530,014,006/130,278,401.60
  6. Step 6: Final answer
    x = 127,393,154.40

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1.5x scale

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.