Home / 170,187,331.80-255,280,997.70-168,911,873.40

Finding the Fourth Proportional to 170,187,331.80, 255,280,997.70 and 168,911,873.40

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Solution

The fourth proportional to 170,187,331.80, 255,280,997.70 and 168,911,873.40 is: 253,367,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,187,331.80 : 255,280,997.70 = 168,911,873.40 : x
  2. Step 2: Convert to fraction form
    170,187,331.80/255,280,997.70 = 168,911,873.40/x
  3. Step 3: Cross multiply
    170,187,331.80x = 255,280,997.70 × 168,911,873.40
  4. Step 4: Simplify right side
    170,187,331.80x = 43,119,991,564,928,088
  5. Step 5: Solve for x
    x = 43,119,991,564,928,088/170,187,331.80
  6. Step 6: Final answer
    x = 253,367,810.10

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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.