Home / 70,364,544,140.20-105,485,594,207.10-42,386,088,677.80

Finding the Fourth Proportional to 70,364,544,140.20, 105,485,594,207.10 and 42,386,088,677.80

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Solution

The fourth proportional to 70,364,544,140.20, 105,485,594,207.10 and 42,386,088,677.80 is: 63,542,254,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,364,544,140.20 : 105,485,594,207.10 = 42,386,088,677.80 : x
  2. Step 2: Convert to fraction form
    70,364,544,140.20/105,485,594,207.10 = 42,386,088,677.80/x
  3. Step 3: Cross multiply
    70,364,544,140.20x = 105,485,594,207.10 × 42,386,088,677.80
  4. Step 4: Simplify right side
    70,364,544,140.20x = 4,471,121,750,292,567,162,880
  5. Step 5: Solve for x
    x = 4,471,121,750,292,567,162,880/70,364,544,140.20
  6. Step 6: Final answer
    x = 63,542,254,198.14

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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.