Home / 92,637,427.68-138,780,738.45-61,839,131.40

Finding the Fourth Proportional to 92,637,427.68, 138,780,738.45 and 61,839,131.40

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Solution

The fourth proportional to 92,637,427.68, 138,780,738.45 and 61,839,131.40 is: 92,641,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,637,427.68 : 138,780,738.45 = 61,839,131.40 : x
  2. Step 2: Convert to fraction form
    92,637,427.68/138,780,738.45 = 61,839,131.40/x
  3. Step 3: Cross multiply
    92,637,427.68x = 138,780,738.45 × 61,839,131.40
  4. Step 4: Simplify right side
    92,637,427.68x = 8,582,080,320,798,581
  5. Step 5: Solve for x
    x = 8,582,080,320,798,581/92,637,427.68
  6. Step 6: Final answer
    x = 92,641,608.64

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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.