Home / 86,197,807.80-129,296,711.70-25,613,533.80

Finding the Fourth Proportional to 86,197,807.80, 129,296,711.70 and 25,613,533.80

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Solution

The fourth proportional to 86,197,807.80, 129,296,711.70 and 25,613,533.80 is: 38,420,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,197,807.80 : 129,296,711.70 = 25,613,533.80 : x
  2. Step 2: Convert to fraction form
    86,197,807.80/129,296,711.70 = 25,613,533.80/x
  3. Step 3: Cross multiply
    86,197,807.80x = 129,296,711.70 × 25,613,533.80
  4. Step 4: Simplify right side
    86,197,807.80x = 3,311,745,695,356,805.50
  5. Step 5: Solve for x
    x = 3,311,745,695,356,805.50/86,197,807.80
  6. Step 6: Final answer
    x = 38,420,300.70

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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.