Home / 70,364,544,009.20-105,485,594,010.60-42,386,088,546.80

Finding the Fourth Proportional to 70,364,544,009.20, 105,485,594,010.60 and 42,386,088,546.80

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Solution

The fourth proportional to 70,364,544,009.20, 105,485,594,010.60 and 42,386,088,546.80 is: 63,542,254,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,364,544,009.20 : 105,485,594,010.60 = 42,386,088,546.80 : x
  2. Step 2: Convert to fraction form
    70,364,544,009.20/105,485,594,010.60 = 42,386,088,546.80/x
  3. Step 3: Cross multiply
    70,364,544,009.20x = 105,485,594,010.60 × 42,386,088,546.80
  4. Step 4: Simplify right side
    70,364,544,009.20x = 4,471,121,728,145,088,053,248
  5. Step 5: Solve for x
    x = 4,471,121,728,145,088,053,248/70,364,544,009.20
  6. Step 6: Final answer
    x = 63,542,254,001.68

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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.