Home / 39,459,630,643.20-59,189,445,964.80-31,091,348,080.80

Finding the Fourth Proportional to 39,459,630,643.20, 59,189,445,964.80 and 31,091,348,080.80

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Solution

The fourth proportional to 39,459,630,643.20, 59,189,445,964.80 and 31,091,348,080.80 is: 46,637,022,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459,630,643.20 : 59,189,445,964.80 = 31,091,348,080.80 : x
  2. Step 2: Convert to fraction form
    39,459,630,643.20/59,189,445,964.80 = 31,091,348,080.80/x
  3. Step 3: Cross multiply
    39,459,630,643.20x = 59,189,445,964.80 × 31,091,348,080.80
  4. Step 4: Simplify right side
    39,459,630,643.20x = 1,840,279,667,201,299,709,952
  5. Step 5: Solve for x
    x = 1,840,279,667,201,299,709,952/39,459,630,643.20
  6. Step 6: Final answer
    x = 46,637,022,121.20

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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.