Home / 71,700,251,183.11-98,955,023,094.94-40,808,047,001.20

Finding the Fourth Proportional to 71,700,251,183.11, 98,955,023,094.94 and 40,808,047,001.20

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Solution

The fourth proportional to 71,700,251,183.11, 98,955,023,094.94 and 40,808,047,001.20 is: 56,320,043,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,700,251,183.11 : 98,955,023,094.94 = 40,808,047,001.20 : x
  2. Step 2: Convert to fraction form
    71,700,251,183.11/98,955,023,094.94 = 40,808,047,001.20/x
  3. Step 3: Cross multiply
    71,700,251,183.11x = 98,955,023,094.94 × 40,808,047,001.20
  4. Step 4: Simplify right side
    71,700,251,183.11x = 4,038,161,233,462,863,331,328
  5. Step 5: Solve for x
    x = 4,038,161,233,462,863,331,328/71,700,251,183.11
  6. Step 6: Final answer
    x = 56,320,043,051.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.