Home / 212,276,649.60-318,416,756.88-58,934,663.52

Finding the Fourth Proportional to 212,276,649.60, 318,416,756.88 and 58,934,663.52

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Solution

The fourth proportional to 212,276,649.60, 318,416,756.88 and 58,934,663.52 is: 88,402,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,276,649.60 : 318,416,756.88 = 58,934,663.52 : x
  2. Step 2: Convert to fraction form
    212,276,649.60/318,416,756.88 = 58,934,663.52/x
  3. Step 3: Cross multiply
    212,276,649.60x = 318,416,756.88 × 58,934,663.52
  4. Step 4: Simplify right side
    212,276,649.60x = 18,765,784,425,852,444
  5. Step 5: Solve for x
    x = 18,765,784,425,852,444/212,276,649.60
  6. Step 6: Final answer
    x = 88,402,490.15

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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.