Home / 72,464,948.80-108,626,564.40-64,812,198.40

Finding the Fourth Proportional to 72,464,948.80, 108,626,564.40 and 64,812,198.40

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Solution

The fourth proportional to 72,464,948.80, 108,626,564.40 and 64,812,198.40 is: 97,154,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,464,948.80 : 108,626,564.40 = 64,812,198.40 : x
  2. Step 2: Convert to fraction form
    72,464,948.80/108,626,564.40 = 64,812,198.40/x
  3. Step 3: Cross multiply
    72,464,948.80x = 108,626,564.40 × 64,812,198.40
  4. Step 4: Simplify right side
    72,464,948.80x = 7,040,326,443,403,177
  5. Step 5: Solve for x
    x = 7,040,326,443,403,177/72,464,948.80
  6. Step 6: Final answer
    x = 97,154,921.93

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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.