Home / 147,164,029.60-220,746,044.40-70,447,568.80

Finding the Fourth Proportional to 147,164,029.60, 220,746,044.40 and 70,447,568.80

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Solution

The fourth proportional to 147,164,029.60, 220,746,044.40 and 70,447,568.80 is: 105,671,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,164,029.60 : 220,746,044.40 = 70,447,568.80 : x
  2. Step 2: Convert to fraction form
    147,164,029.60/220,746,044.40 = 70,447,568.80/x
  3. Step 3: Cross multiply
    147,164,029.60x = 220,746,044.40 × 70,447,568.80
  4. Step 4: Simplify right side
    147,164,029.60x = 15,551,022,150,196,854
  5. Step 5: Solve for x
    x = 15,551,022,150,196,854/147,164,029.60
  6. Step 6: Final answer
    x = 105,671,353.20

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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.