Home / 90,670,088.36-136,006,608.77-25,973,642

Finding the Fourth Proportional to 90,670,088.36, 136,006,608.77 and 25,973,642

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Solution

The fourth proportional to 90,670,088.36, 136,006,608.77 and 25,973,642 is: 38,960,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,670,088.36 : 136,006,608.77 = 25,973,642 : x
  2. Step 2: Convert to fraction form
    90,670,088.36/136,006,608.77 = 25,973,642/x
  3. Step 3: Cross multiply
    90,670,088.36x = 136,006,608.77 × 25,973,642
  4. Step 4: Simplify right side
    90,670,088.36x = 3,532,586,965,696,172
  5. Step 5: Solve for x
    x = 3,532,586,965,696,172/90,670,088.36
  6. Step 6: Final answer
    x = 38,960,885.88

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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.