Home / 135,908,128.29-187,547,938.07-83,073,299.73

Finding the Fourth Proportional to 135,908,128.29, 187,547,938.07 and 83,073,299.73

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Solution

The fourth proportional to 135,908,128.29, 187,547,938.07 and 83,073,299.73 is: 114,637,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,908,128.29 : 187,547,938.07 = 83,073,299.73 : x
  2. Step 2: Convert to fraction form
    135,908,128.29/187,547,938.07 = 83,073,299.73/x
  3. Step 3: Cross multiply
    135,908,128.29x = 187,547,938.07 × 83,073,299.73
  4. Step 4: Simplify right side
    135,908,128.29x = 15,580,226,072,617,222
  5. Step 5: Solve for x
    x = 15,580,226,072,617,222/135,908,128.29
  6. Step 6: Final answer
    x = 114,637,926.87

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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.