Home / 49,921,125.60-74,881,688.40-28,422,040.80

Finding the Fourth Proportional to 49,921,125.60, 74,881,688.40 and 28,422,040.80

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Solution

The fourth proportional to 49,921,125.60, 74,881,688.40 and 28,422,040.80 is: 42,633,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,921,125.60 : 74,881,688.40 = 28,422,040.80 : x
  2. Step 2: Convert to fraction form
    49,921,125.60/74,881,688.40 = 28,422,040.80/x
  3. Step 3: Cross multiply
    49,921,125.60x = 74,881,688.40 × 28,422,040.80
  4. Step 4: Simplify right side
    49,921,125.60x = 2,128,290,402,877,687
  5. Step 5: Solve for x
    x = 2,128,290,402,877,687/49,921,125.60
  6. Step 6: Final answer
    x = 42,633,061.20

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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.