Home / 82,805,526.72-114,272,400.96-45,637,133.76

Finding the Fourth Proportional to 82,805,526.72, 114,272,400.96 and 45,637,133.76

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Solution

The fourth proportional to 82,805,526.72, 114,272,400.96 and 45,637,133.76 is: 62,979,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,805,526.72 : 114,272,400.96 = 45,637,133.76 : x
  2. Step 2: Convert to fraction form
    82,805,526.72/114,272,400.96 = 45,637,133.76/x
  3. Step 3: Cross multiply
    82,805,526.72x = 114,272,400.96 × 45,637,133.76
  4. Step 4: Simplify right side
    82,805,526.72x = 5,215,064,847,687,872
  5. Step 5: Solve for x
    x = 5,215,064,847,687,872/82,805,526.72
  6. Step 6: Final answer
    x = 62,979,671.22

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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.