Home / 170,878,428.03-235,813,362.89-92,561,981.49

Finding the Fourth Proportional to 170,878,428.03, 235,813,362.89 and 92,561,981.49

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Solution

The fourth proportional to 170,878,428.03, 235,813,362.89 and 92,561,981.49 is: 127,736,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,878,428.03 : 235,813,362.89 = 92,561,981.49 : x
  2. Step 2: Convert to fraction form
    170,878,428.03/235,813,362.89 = 92,561,981.49/x
  3. Step 3: Cross multiply
    170,878,428.03x = 235,813,362.89 × 92,561,981.49
  4. Step 4: Simplify right side
    170,878,428.03x = 21,827,352,130,456,020
  5. Step 5: Solve for x
    x = 21,827,352,130,456,020/170,878,428.03
  6. Step 6: Final answer
    x = 127,736,147.75

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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.