Home / 193,156,686.80-289,635,497.40-71,925,736.40

Finding the Fourth Proportional to 193,156,686.80, 289,635,497.40 and 71,925,736.40

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Solution

The fourth proportional to 193,156,686.80, 289,635,497.40 and 71,925,736.40 is: 107,851,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,156,686.80 : 289,635,497.40 = 71,925,736.40 : x
  2. Step 2: Convert to fraction form
    193,156,686.80/289,635,497.40 = 71,925,736.40/x
  3. Step 3: Cross multiply
    193,156,686.80x = 289,635,497.40 × 71,925,736.40
  4. Step 4: Simplify right side
    193,156,686.80x = 20,832,246,438,075,284
  5. Step 5: Solve for x
    x = 20,832,246,438,075,284/193,156,686.80
  6. Step 6: Final answer
    x = 107,851,541.58

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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.