Home / 70,279,820.02-105,282,441.10-48,416,337.28

Finding the Fourth Proportional to 70,279,820.02, 105,282,441.10 and 48,416,337.28

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Solution

The fourth proportional to 70,279,820.02, 105,282,441.10 and 48,416,337.28 is: 72,529,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,279,820.02 : 105,282,441.10 = 48,416,337.28 : x
  2. Step 2: Convert to fraction form
    70,279,820.02/105,282,441.10 = 48,416,337.28/x
  3. Step 3: Cross multiply
    70,279,820.02x = 105,282,441.10 × 48,416,337.28
  4. Step 4: Simplify right side
    70,279,820.02x = 5,097,390,177,959,334
  5. Step 5: Solve for x
    x = 5,097,390,177,959,334/70,279,820.02
  6. Step 6: Final answer
    x = 72,529,926.46

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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.