Home / 74,418,470.72-111,730,340.48-51,334,666.56

Finding the Fourth Proportional to 74,418,470.72, 111,730,340.48 and 51,334,666.56

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Solution

The fourth proportional to 74,418,470.72, 111,730,340.48 and 51,334,666.56 is: 77,072,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,418,470.72 : 111,730,340.48 = 51,334,666.56 : x
  2. Step 2: Convert to fraction form
    74,418,470.72/111,730,340.48 = 51,334,666.56/x
  3. Step 3: Cross multiply
    74,418,470.72x = 111,730,340.48 × 51,334,666.56
  4. Step 4: Simplify right side
    74,418,470.72x = 5,735,639,773,176,071
  5. Step 5: Solve for x
    x = 5,735,639,773,176,071/74,418,470.72
  6. Step 6: Final answer
    x = 77,072,798.16

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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.