Home / 70,279,818.02-105,282,438.10-48,416,335.28

Finding the Fourth Proportional to 70,279,818.02, 105,282,438.10 and 48,416,335.28

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Solution

The fourth proportional to 70,279,818.02, 105,282,438.10 and 48,416,335.28 is: 72,529,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,279,818.02 : 105,282,438.10 = 48,416,335.28 : x
  2. Step 2: Convert to fraction form
    70,279,818.02/105,282,438.10 = 48,416,335.28/x
  3. Step 3: Cross multiply
    70,279,818.02x = 105,282,438.10 × 48,416,335.28
  4. Step 4: Simplify right side
    70,279,818.02x = 5,097,389,821,497,993
  5. Step 5: Solve for x
    x = 5,097,389,821,497,993/70,279,818.02
  6. Step 6: Final answer
    x = 72,529,923.46

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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.