Home / 103,349,881.76-155,019,668.88-38,648,929.76

Finding the Fourth Proportional to 103,349,881.76, 155,019,668.88 and 38,648,929.76

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Solution

The fourth proportional to 103,349,881.76, 155,019,668.88 and 38,648,929.76 is: 57,971,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,349,881.76 : 155,019,668.88 = 38,648,929.76 : x
  2. Step 2: Convert to fraction form
    103,349,881.76/155,019,668.88 = 38,648,929.76/x
  3. Step 3: Cross multiply
    103,349,881.76x = 155,019,668.88 × 38,648,929.76
  4. Step 4: Simplify right side
    103,349,881.76x = 5,991,344,293,961,577
  5. Step 5: Solve for x
    x = 5,991,344,293,961,577/103,349,881.76
  6. Step 6: Final answer
    x = 57,971,467.33

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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.