Home / 72,602,483.20-108,903,724.80-34,338,731.20

Finding the Fourth Proportional to 72,602,483.20, 108,903,724.80 and 34,338,731.20

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Solution

The fourth proportional to 72,602,483.20, 108,903,724.80 and 34,338,731.20 is: 51,508,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,602,483.20 : 108,903,724.80 = 34,338,731.20 : x
  2. Step 2: Convert to fraction form
    72,602,483.20/108,903,724.80 = 34,338,731.20/x
  3. Step 3: Cross multiply
    72,602,483.20x = 108,903,724.80 × 34,338,731.20
  4. Step 4: Simplify right side
    72,602,483.20x = 3,739,615,732,585,974
  5. Step 5: Solve for x
    x = 3,739,615,732,585,974/72,602,483.20
  6. Step 6: Final answer
    x = 51,508,096.80

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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.