Home / 170,543,966.40-235,427,532-108,747,368.64

Finding the Fourth Proportional to 170,543,966.40, 235,427,532 and 108,747,368.64

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Solution

The fourth proportional to 170,543,966.40, 235,427,532 and 108,747,368.64 is: 150,120,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,543,966.40 : 235,427,532 = 108,747,368.64 : x
  2. Step 2: Convert to fraction form
    170,543,966.40/235,427,532 = 108,747,368.64/x
  3. Step 3: Cross multiply
    170,543,966.40x = 235,427,532 × 108,747,368.64
  4. Step 4: Simplify right side
    170,543,966.40x = 25,602,124,610,409,396
  5. Step 5: Solve for x
    x = 25,602,124,610,409,396/170,543,966.40
  6. Step 6: Final answer
    x = 150,120,377.47

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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.