Home / 71,240,261.10-106,721,220.53-49,078,490.69

Finding the Fourth Proportional to 71,240,261.10, 106,721,220.53 and 49,078,490.69

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Solution

The fourth proportional to 71,240,261.10, 106,721,220.53 and 49,078,490.69 is: 73,521,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,240,261.10 : 106,721,220.53 = 49,078,490.69 : x
  2. Step 2: Convert to fraction form
    71,240,261.10/106,721,220.53 = 49,078,490.69/x
  3. Step 3: Cross multiply
    71,240,261.10x = 106,721,220.53 × 49,078,490.69
  4. Step 4: Simplify right side
    71,240,261.10x = 5,237,716,428,596,541
  5. Step 5: Solve for x
    x = 5,237,716,428,596,541/71,240,261.10
  6. Step 6: Final answer
    x = 73,521,858.96

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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.