Home / 31,104,013.60-46,656,020.40-30,600,128.80

Finding the Fourth Proportional to 31,104,013.60, 46,656,020.40 and 30,600,128.80

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Solution

The fourth proportional to 31,104,013.60, 46,656,020.40 and 30,600,128.80 is: 45,900,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,013.60 : 46,656,020.40 = 30,600,128.80 : x
  2. Step 2: Convert to fraction form
    31,104,013.60/46,656,020.40 = 30,600,128.80/x
  3. Step 3: Cross multiply
    31,104,013.60x = 46,656,020.40 × 30,600,128.80
  4. Step 4: Simplify right side
    31,104,013.60x = 1,427,680,233,535,427.50
  5. Step 5: Solve for x
    x = 1,427,680,233,535,427.50/31,104,013.60
  6. Step 6: Final answer
    x = 45,900,193.20

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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.