Home / 145,025,111.70-217,537,667.55-49,286,999.70

Finding the Fourth Proportional to 145,025,111.70, 217,537,667.55 and 49,286,999.70

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Solution

The fourth proportional to 145,025,111.70, 217,537,667.55 and 49,286,999.70 is: 73,930,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,025,111.70 : 217,537,667.55 = 49,286,999.70 : x
  2. Step 2: Convert to fraction form
    145,025,111.70/217,537,667.55 = 49,286,999.70/x
  3. Step 3: Cross multiply
    145,025,111.70x = 217,537,667.55 × 49,286,999.70
  4. Step 4: Simplify right side
    145,025,111.70x = 10,721,778,955,275,550
  5. Step 5: Solve for x
    x = 10,721,778,955,275,550/145,025,111.70
  6. Step 6: Final answer
    x = 73,930,499.55

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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.