Home / 305,209,214.40-457,841,815.20-100,737,739.20

Finding the Fourth Proportional to 305,209,214.40, 457,841,815.20 and 100,737,739.20

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Solution

The fourth proportional to 305,209,214.40, 457,841,815.20 and 100,737,739.20 is: 151,115,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,209,214.40 : 457,841,815.20 = 100,737,739.20 : x
  2. Step 2: Convert to fraction form
    305,209,214.40/457,841,815.20 = 100,737,739.20/x
  3. Step 3: Cross multiply
    305,209,214.40x = 457,841,815.20 × 100,737,739.20
  4. Step 4: Simplify right side
    305,209,214.40x = 46,121,949,374,472,200
  5. Step 5: Solve for x
    x = 46,121,949,374,472,200/305,209,214.40
  6. Step 6: Final answer
    x = 151,115,848.40

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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.