Home / 70,727,721,714.36-106,039,280,567.43-42,772,750,629.72

Finding the Fourth Proportional to 70,727,721,714.36, 106,039,280,567.43 and 42,772,750,629.72

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Solution

The fourth proportional to 70,727,721,714.36, 106,039,280,567.43 and 42,772,750,629.72 is: 64,127,496,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,727,721,714.36 : 106,039,280,567.43 = 42,772,750,629.72 : x
  2. Step 2: Convert to fraction form
    70,727,721,714.36/106,039,280,567.43 = 42,772,750,629.72/x
  3. Step 3: Cross multiply
    70,727,721,714.36x = 106,039,280,567.43 × 42,772,750,629.72
  4. Step 4: Simplify right side
    70,727,721,714.36x = 4,535,591,704,665,597,149,184
  5. Step 5: Solve for x
    x = 4,535,591,704,665,597,149,184/70,727,721,714.36
  6. Step 6: Final answer
    x = 64,127,496,188.59

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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.