Home / 149,287,713.70-223,931,570.55-84,717,632.20

Finding the Fourth Proportional to 149,287,713.70, 223,931,570.55 and 84,717,632.20

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Solution

The fourth proportional to 149,287,713.70, 223,931,570.55 and 84,717,632.20 is: 127,076,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,287,713.70 : 223,931,570.55 = 84,717,632.20 : x
  2. Step 2: Convert to fraction form
    149,287,713.70/223,931,570.55 = 84,717,632.20/x
  3. Step 3: Cross multiply
    149,287,713.70x = 223,931,570.55 × 84,717,632.20
  4. Step 4: Simplify right side
    149,287,713.70x = 18,970,952,431,823,252
  5. Step 5: Solve for x
    x = 18,970,952,431,823,252/149,287,713.70
  6. Step 6: Final answer
    x = 127,076,448.30

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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.