Home / 201,547,301.70-302,320,952.55-86,512,268.10

Finding the Fourth Proportional to 201,547,301.70, 302,320,952.55 and 86,512,268.10

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Solution

The fourth proportional to 201,547,301.70, 302,320,952.55 and 86,512,268.10 is: 129,768,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,547,301.70 : 302,320,952.55 = 86,512,268.10 : x
  2. Step 2: Convert to fraction form
    201,547,301.70/302,320,952.55 = 86,512,268.10/x
  3. Step 3: Cross multiply
    201,547,301.70x = 302,320,952.55 × 86,512,268.10
  4. Step 4: Simplify right side
    201,547,301.70x = 26,154,471,299,252,976
  5. Step 5: Solve for x
    x = 26,154,471,299,252,976/201,547,301.70
  6. Step 6: Final answer
    x = 129,768,402.15

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1.5x scale

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.