Home / 272,038,501.20-408,057,751.80-67,566,576.45

Finding the Fourth Proportional to 272,038,501.20, 408,057,751.80 and 67,566,576.45

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Solution

The fourth proportional to 272,038,501.20, 408,057,751.80 and 67,566,576.45 is: 101,349,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,038,501.20 : 408,057,751.80 = 67,566,576.45 : x
  2. Step 2: Convert to fraction form
    272,038,501.20/408,057,751.80 = 67,566,576.45/x
  3. Step 3: Cross multiply
    272,038,501.20x = 408,057,751.80 × 67,566,576.45
  4. Step 4: Simplify right side
    272,038,501.20x = 27,571,065,283,009,828
  5. Step 5: Solve for x
    x = 27,571,065,283,009,828/272,038,501.20
  6. Step 6: Final answer
    x = 101,349,864.68

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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.