Home / 48,609,921.60-72,816,904.80-30,358,094.40

Finding the Fourth Proportional to 48,609,921.60, 72,816,904.80 and 30,358,094.40

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Solution

The fourth proportional to 48,609,921.60, 72,816,904.80 and 30,358,094.40 is: 45,475,952.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609,921.60 : 72,816,904.80 = 30,358,094.40 : x
  2. Step 2: Convert to fraction form
    48,609,921.60/72,816,904.80 = 30,358,094.40/x
  3. Step 3: Cross multiply
    48,609,921.60x = 72,816,904.80 × 30,358,094.40
  4. Step 4: Simplify right side
    48,609,921.60x = 2,210,582,469,834,213
  5. Step 5: Solve for x
    x = 2,210,582,469,834,213/48,609,921.60
  6. Step 6: Final answer
    x = 45,475,952.17

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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.