Home / 71,948,232.45-99,320,985.54-45,877,792.77

Finding the Fourth Proportional to 71,948,232.45, 99,320,985.54 and 45,877,792.77

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Solution

The fourth proportional to 71,948,232.45, 99,320,985.54 and 45,877,792.77 is: 63,332,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,948,232.45 : 99,320,985.54 = 45,877,792.77 : x
  2. Step 2: Convert to fraction form
    71,948,232.45/99,320,985.54 = 45,877,792.77/x
  3. Step 3: Cross multiply
    71,948,232.45x = 99,320,985.54 × 45,877,792.77
  4. Step 4: Simplify right side
    71,948,232.45x = 4,556,627,592,316,287
  5. Step 5: Solve for x
    x = 4,556,627,592,316,287/71,948,232.45
  6. Step 6: Final answer
    x = 63,332,029.67

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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.