Home / 137,808,806.51-206,743,477.62-40,756,947.68

Finding the Fourth Proportional to 137,808,806.51, 206,743,477.62 and 40,756,947.68

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Solution

The fourth proportional to 137,808,806.51, 206,743,477.62 and 40,756,947.68 is: 61,144,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,808,806.51 : 206,743,477.62 = 40,756,947.68 : x
  2. Step 2: Convert to fraction form
    137,808,806.51/206,743,477.62 = 40,756,947.68/x
  3. Step 3: Cross multiply
    137,808,806.51x = 206,743,477.62 × 40,756,947.68
  4. Step 4: Simplify right side
    137,808,806.51x = 8,426,233,100,539,591
  5. Step 5: Solve for x
    x = 8,426,233,100,539,591/137,808,806.51
  6. Step 6: Final answer
    x = 61,144,373.24

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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.