Home / 237,129,984.50-327,239,378.61-128,602,368.50

Finding the Fourth Proportional to 237,129,984.50, 327,239,378.61 and 128,602,368.50

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Solution

The fourth proportional to 237,129,984.50, 327,239,378.61 and 128,602,368.50 is: 177,471,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,129,984.50 : 327,239,378.61 = 128,602,368.50 : x
  2. Step 2: Convert to fraction form
    237,129,984.50/327,239,378.61 = 128,602,368.50/x
  3. Step 3: Cross multiply
    237,129,984.50x = 327,239,378.61 × 128,602,368.50
  4. Step 4: Simplify right side
    237,129,984.50x = 42,083,759,155,714,240
  5. Step 5: Solve for x
    x = 42,083,759,155,714,240/237,129,984.50
  6. Step 6: Final answer
    x = 177,471,268.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.