Home / 48,350,931.60-72,470,410.20-19,578,176.40

Finding the Fourth Proportional to 48,350,931.60, 72,470,410.20 and 19,578,176.40

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Solution

The fourth proportional to 48,350,931.60, 72,470,410.20 and 19,578,176.40 is: 29,344,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,350,931.60 : 72,470,410.20 = 19,578,176.40 : x
  2. Step 2: Convert to fraction form
    48,350,931.60/72,470,410.20 = 19,578,176.40/x
  3. Step 3: Cross multiply
    48,350,931.60x = 72,470,410.20 × 19,578,176.40
  4. Step 4: Simplify right side
    48,350,931.60x = 1,418,838,474,675,959.25
  5. Step 5: Solve for x
    x = 1,418,838,474,675,959.25/48,350,931.60
  6. Step 6: Final answer
    x = 29,344,594.36

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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.