Home / 102,487,327.20-153,544,366.80-48,515,666.40

Finding the Fourth Proportional to 102,487,327.20, 153,544,366.80 and 48,515,666.40

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Solution

The fourth proportional to 102,487,327.20, 153,544,366.80 and 48,515,666.40 is: 72,685,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,487,327.20 : 153,544,366.80 = 48,515,666.40 : x
  2. Step 2: Convert to fraction form
    102,487,327.20/153,544,366.80 = 48,515,666.40/x
  3. Step 3: Cross multiply
    102,487,327.20x = 153,544,366.80 × 48,515,666.40
  4. Step 4: Simplify right side
    102,487,327.20x = 7,449,307,277,268,036
  5. Step 5: Solve for x
    x = 7,449,307,277,268,036/102,487,327.20
  6. Step 6: Final answer
    x = 72,685,155.14

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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.