Home / 86,932,033.20-130,398,049.80-77,862,106.80

Finding the Fourth Proportional to 86,932,033.20, 130,398,049.80 and 77,862,106.80

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Solution

The fourth proportional to 86,932,033.20, 130,398,049.80 and 77,862,106.80 is: 116,793,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932,033.20 : 130,398,049.80 = 77,862,106.80 : x
  2. Step 2: Convert to fraction form
    86,932,033.20/130,398,049.80 = 77,862,106.80/x
  3. Step 3: Cross multiply
    86,932,033.20x = 130,398,049.80 × 77,862,106.80
  4. Step 4: Simplify right side
    86,932,033.20x = 10,153,066,880,039,318
  5. Step 5: Solve for x
    x = 10,153,066,880,039,318/86,932,033.20
  6. Step 6: Final answer
    x = 116,793,160.20

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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.