Home / 170,312,932.69-235,031,941.55-91,996,486.63

Finding the Fourth Proportional to 170,312,932.69, 235,031,941.55 and 91,996,486.63

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Solution

The fourth proportional to 170,312,932.69, 235,031,941.55 and 91,996,486.63 is: 126,955,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,312,932.69 : 235,031,941.55 = 91,996,486.63 : x
  2. Step 2: Convert to fraction form
    170,312,932.69/235,031,941.55 = 91,996,486.63/x
  3. Step 3: Cross multiply
    170,312,932.69x = 235,031,941.55 × 91,996,486.63
  4. Step 4: Simplify right side
    170,312,932.69x = 21,622,112,868,069,928
  5. Step 5: Solve for x
    x = 21,622,112,868,069,928/170,312,932.69
  6. Step 6: Final answer
    x = 126,955,202.56

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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.