Home / 66,544,007.60-99,816,011.40-40,677,921.20

Finding the Fourth Proportional to 66,544,007.60, 99,816,011.40 and 40,677,921.20

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Solution

The fourth proportional to 66,544,007.60, 99,816,011.40 and 40,677,921.20 is: 61,016,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544,007.60 : 99,816,011.40 = 40,677,921.20 : x
  2. Step 2: Convert to fraction form
    66,544,007.60/99,816,011.40 = 40,677,921.20/x
  3. Step 3: Cross multiply
    66,544,007.60x = 99,816,011.40 × 40,677,921.20
  4. Step 4: Simplify right side
    66,544,007.60x = 4,060,307,846,227,502
  5. Step 5: Solve for x
    x = 4,060,307,846,227,502/66,544,007.60
  6. Step 6: Final answer
    x = 61,016,881.80

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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.