Home / 69,984,009.60-104,976,014.40-43,072,828.80

Finding the Fourth Proportional to 69,984,009.60, 104,976,014.40 and 43,072,828.80

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Solution

The fourth proportional to 69,984,009.60, 104,976,014.40 and 43,072,828.80 is: 64,609,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,009.60 : 104,976,014.40 = 43,072,828.80 : x
  2. Step 2: Convert to fraction form
    69,984,009.60/104,976,014.40 = 43,072,828.80/x
  3. Step 3: Cross multiply
    69,984,009.60x = 104,976,014.40 × 43,072,828.80
  4. Step 4: Simplify right side
    69,984,009.60x = 4,521,613,896,357,535
  5. Step 5: Solve for x
    x = 4,521,613,896,357,535/69,984,009.60
  6. Step 6: Final answer
    x = 64,609,243.20

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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.