Home / 134,872,085.40-202,308,128.10-100,859,861.40

Finding the Fourth Proportional to 134,872,085.40, 202,308,128.10 and 100,859,861.40

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Solution

The fourth proportional to 134,872,085.40, 202,308,128.10 and 100,859,861.40 is: 151,289,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,872,085.40 : 202,308,128.10 = 100,859,861.40 : x
  2. Step 2: Convert to fraction form
    134,872,085.40/202,308,128.10 = 100,859,861.40/x
  3. Step 3: Cross multiply
    134,872,085.40x = 202,308,128.10 × 100,859,861.40
  4. Step 4: Simplify right side
    134,872,085.40x = 20,404,769,760,259,444
  5. Step 5: Solve for x
    x = 20,404,769,760,259,444/134,872,085.40
  6. Step 6: Final answer
    x = 151,289,792.10

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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.