Home / 144,652,824.80-216,979,237.20-87,209,957.60

Finding the Fourth Proportional to 144,652,824.80, 216,979,237.20 and 87,209,957.60

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Solution

The fourth proportional to 144,652,824.80, 216,979,237.20 and 87,209,957.60 is: 130,814,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,652,824.80 : 216,979,237.20 = 87,209,957.60 : x
  2. Step 2: Convert to fraction form
    144,652,824.80/216,979,237.20 = 87,209,957.60/x
  3. Step 3: Cross multiply
    144,652,824.80x = 216,979,237.20 × 87,209,957.60
  4. Step 4: Simplify right side
    144,652,824.80x = 18,922,750,076,292,340
  5. Step 5: Solve for x
    x = 18,922,750,076,292,340/144,652,824.80
  6. Step 6: Final answer
    x = 130,814,936.40

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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.