Home / 145,517,752.80-218,306,955.60-48,503,599.20

Finding the Fourth Proportional to 145,517,752.80, 218,306,955.60 and 48,503,599.20

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Solution

The fourth proportional to 145,517,752.80, 218,306,955.60 and 48,503,599.20 is: 72,765,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,517,752.80 : 218,306,955.60 = 48,503,599.20 : x
  2. Step 2: Convert to fraction form
    145,517,752.80/218,306,955.60 = 48,503,599.20/x
  3. Step 3: Cross multiply
    145,517,752.80x = 218,306,955.60 × 48,503,599.20
  4. Step 4: Simplify right side
    145,517,752.80x = 10,588,673,076,994,596
  5. Step 5: Solve for x
    x = 10,588,673,076,994,596/145,517,752.80
  6. Step 6: Final answer
    x = 72,765,507.12

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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.