Home / 86,847,685.41-119,851,888.11-47,156,889.03

Finding the Fourth Proportional to 86,847,685.41, 119,851,888.11 and 47,156,889.03

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Solution

The fourth proportional to 86,847,685.41, 119,851,888.11 and 47,156,889.03 is: 65,077,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,847,685.41 : 119,851,888.11 = 47,156,889.03 : x
  2. Step 2: Convert to fraction form
    86,847,685.41/119,851,888.11 = 47,156,889.03/x
  3. Step 3: Cross multiply
    86,847,685.41x = 119,851,888.11 × 47,156,889.03
  4. Step 4: Simplify right side
    86,847,685.41x = 5,651,842,187,639,247
  5. Step 5: Solve for x
    x = 5,651,842,187,639,247/86,847,685.41
  6. Step 6: Final answer
    x = 65,077,637.49

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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.