Home / 115,220,040,425.28-172,606,433,038.56-84,912,136,315.20

Finding the Fourth Proportional to 115,220,040,425.28, 172,606,433,038.56 and 84,912,136,315.20

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Solution

The fourth proportional to 115,220,040,425.28, 172,606,433,038.56 and 84,912,136,315.20 is: 127,203,400,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,220,040,425.28 : 172,606,433,038.56 = 84,912,136,315.20 : x
  2. Step 2: Convert to fraction form
    115,220,040,425.28/172,606,433,038.56 = 84,912,136,315.20/x
  3. Step 3: Cross multiply
    115,220,040,425.28x = 172,606,433,038.56 × 84,912,136,315.20
  4. Step 4: Simplify right side
    115,220,040,425.28x = 14,656,380,971,050,646,634,496
  5. Step 5: Solve for x
    x = 14,656,380,971,050,646,634,496/115,220,040,425.28
  6. Step 6: Final answer
    x = 127,203,400,701.42

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1.5x scale

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.