Home / 170,878,952.74-235,808,123.06-100,313,429.44

Finding the Fourth Proportional to 170,878,952.74, 235,808,123.06 and 100,313,429.44

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Solution

The fourth proportional to 170,878,952.74, 235,808,123.06 and 100,313,429.44 is: 138,429,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,878,952.74 : 235,808,123.06 = 100,313,429.44 : x
  2. Step 2: Convert to fraction form
    170,878,952.74/235,808,123.06 = 100,313,429.44/x
  3. Step 3: Cross multiply
    170,878,952.74x = 235,808,123.06 × 100,313,429.44
  4. Step 4: Simplify right side
    170,878,952.74x = 23,654,721,513,958,148
  5. Step 5: Solve for x
    x = 23,654,721,513,958,148/170,878,952.74
  6. Step 6: Final answer
    x = 138,429,696.20

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1.5x scale

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.