Home / 92,637,742.56-127,855,417.20-51,397,920.96

Finding the Fourth Proportional to 92,637,742.56, 127,855,417.20 and 51,397,920.96

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Solution

The fourth proportional to 92,637,742.56, 127,855,417.20 and 51,397,920.96 is: 70,937,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,637,742.56 : 127,855,417.20 = 51,397,920.96 : x
  2. Step 2: Convert to fraction form
    92,637,742.56/127,855,417.20 = 51,397,920.96/x
  3. Step 3: Cross multiply
    92,637,742.56x = 127,855,417.20 × 51,397,920.96
  4. Step 4: Simplify right side
    92,637,742.56x = 6,571,502,627,553,425
  5. Step 5: Solve for x
    x = 6,571,502,627,553,425/92,637,742.56
  6. Step 6: Final answer
    x = 70,937,637.79

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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.