Home / 76,173,292.93-105,151,326.32-51,427,001.11

Finding the Fourth Proportional to 76,173,292.93, 105,151,326.32 and 51,427,001.11

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Solution

The fourth proportional to 76,173,292.93, 105,151,326.32 and 51,427,001.11 is: 70,990,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,173,292.93 : 105,151,326.32 = 51,427,001.11 : x
  2. Step 2: Convert to fraction form
    76,173,292.93/105,151,326.32 = 51,427,001.11/x
  3. Step 3: Cross multiply
    76,173,292.93x = 105,151,326.32 × 51,427,001.11
  4. Step 4: Simplify right side
    76,173,292.93x = 5,407,617,375,376,612
  5. Step 5: Solve for x
    x = 5,407,617,375,376,612/76,173,292.93
  6. Step 6: Final answer
    x = 70,990,988.67

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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.