Home / 85,604,958.28-128,411,649.42-34,480,065.16

Finding the Fourth Proportional to 85,604,958.28, 128,411,649.42 and 34,480,065.16

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Solution

The fourth proportional to 85,604,958.28, 128,411,649.42 and 34,480,065.16 is: 51,721,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,604,958.28 : 128,411,649.42 = 34,480,065.16 : x
  2. Step 2: Convert to fraction form
    85,604,958.28/128,411,649.42 = 34,480,065.16/x
  3. Step 3: Cross multiply
    85,604,958.28x = 128,411,649.42 × 34,480,065.16
  4. Step 4: Simplify right side
    85,604,958.28x = 4,427,642,039,304,676
  5. Step 5: Solve for x
    x = 4,427,642,039,304,676/85,604,958.28
  6. Step 6: Final answer
    x = 51,721,794.25

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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.