Home / 185,841,406.40-278,762,109.60-155,608,318.40

Finding the Fourth Proportional to 185,841,406.40, 278,762,109.60 and 155,608,318.40

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Solution

The fourth proportional to 185,841,406.40, 278,762,109.60 and 155,608,318.40 is: 233,412,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,841,406.40 : 278,762,109.60 = 155,608,318.40 : x
  2. Step 2: Convert to fraction form
    185,841,406.40/278,762,109.60 = 155,608,318.40/x
  3. Step 3: Cross multiply
    185,841,406.40x = 278,762,109.60 × 155,608,318.40
  4. Step 4: Simplify right side
    185,841,406.40x = 43,377,703,108,492,504
  5. Step 5: Solve for x
    x = 43,377,703,108,492,504/185,841,406.40
  6. Step 6: Final answer
    x = 233,412,477.60

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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.