Home / 144,767,528.51-199,780,526.72-78,688,182.24

Finding the Fourth Proportional to 144,767,528.51, 199,780,526.72 and 78,688,182.24

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Solution

The fourth proportional to 144,767,528.51, 199,780,526.72 and 78,688,182.24 is: 108,590,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,767,528.51 : 199,780,526.72 = 78,688,182.24 : x
  2. Step 2: Convert to fraction form
    144,767,528.51/199,780,526.72 = 78,688,182.24/x
  3. Step 3: Cross multiply
    144,767,528.51x = 199,780,526.72 × 78,688,182.24
  4. Step 4: Simplify right side
    144,767,528.51x = 15,720,366,494,743,268
  5. Step 5: Solve for x
    x = 15,720,366,494,743,268/144,767,528.51
  6. Step 6: Final answer
    x = 108,590,418.43

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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.