Home / 79,612,343.02-109,898,931.90-53,521,993

Finding the Fourth Proportional to 79,612,343.02, 109,898,931.90 and 53,521,993

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Solution

The fourth proportional to 79,612,343.02, 109,898,931.90 and 53,521,993 is: 73,883,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,612,343.02 : 109,898,931.90 = 53,521,993 : x
  2. Step 2: Convert to fraction form
    79,612,343.02/109,898,931.90 = 53,521,993/x
  3. Step 3: Cross multiply
    79,612,343.02x = 109,898,931.90 × 53,521,993
  4. Step 4: Simplify right side
    79,612,343.02x = 5,882,009,863,859,277
  5. Step 5: Solve for x
    x = 5,882,009,863,859,277/79,612,343.02
  6. Step 6: Final answer
    x = 73,883,139.73

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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.