Home / 76,905,713.22-106,130,170.63-42,101,642.13

Finding the Fourth Proportional to 76,905,713.22, 106,130,170.63 and 42,101,642.13

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Solution

The fourth proportional to 76,905,713.22, 106,130,170.63 and 42,101,642.13 is: 58,100,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,905,713.22 : 106,130,170.63 = 42,101,642.13 : x
  2. Step 2: Convert to fraction form
    76,905,713.22/106,130,170.63 = 42,101,642.13/x
  3. Step 3: Cross multiply
    76,905,713.22x = 106,130,170.63 × 42,101,642.13
  4. Step 4: Simplify right side
    76,905,713.22x = 4,468,254,463,112,723.50
  5. Step 5: Solve for x
    x = 4,468,254,463,112,723.50/76,905,713.22
  6. Step 6: Final answer
    x = 58,100,422.92

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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.