Home / 112,341,431.88-155,031,749.28-62,782,632.72

Finding the Fourth Proportional to 112,341,431.88, 155,031,749.28 and 62,782,632.72

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Solution

The fourth proportional to 112,341,431.88, 155,031,749.28 and 62,782,632.72 is: 86,640,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,341,431.88 : 155,031,749.28 = 62,782,632.72 : x
  2. Step 2: Convert to fraction form
    112,341,431.88/155,031,749.28 = 62,782,632.72/x
  3. Step 3: Cross multiply
    112,341,431.88x = 155,031,749.28 × 62,782,632.72
  4. Step 4: Simplify right side
    112,341,431.88x = 9,733,301,374,985,364
  5. Step 5: Solve for x
    x = 9,733,301,374,985,364/112,341,431.88
  6. Step 6: Final answer
    x = 86,640,353.54

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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.