Home / 134,452,428.80-201,678,643.20-128,555,110.40

Finding the Fourth Proportional to 134,452,428.80, 201,678,643.20 and 128,555,110.40

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Solution

The fourth proportional to 134,452,428.80, 201,678,643.20 and 128,555,110.40 is: 192,832,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,452,428.80 : 201,678,643.20 = 128,555,110.40 : x
  2. Step 2: Convert to fraction form
    134,452,428.80/201,678,643.20 = 128,555,110.40/x
  3. Step 3: Cross multiply
    134,452,428.80x = 201,678,643.20 × 128,555,110.40
  4. Step 4: Simplify right side
    134,452,428.80x = 25,926,820,241,898,208
  5. Step 5: Solve for x
    x = 25,926,820,241,898,208/134,452,428.80
  6. Step 6: Final answer
    x = 192,832,665.60

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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.