Home / 89,345,087.10-134,017,630.65-66,670,271.10

Finding the Fourth Proportional to 89,345,087.10, 134,017,630.65 and 66,670,271.10

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Solution

The fourth proportional to 89,345,087.10, 134,017,630.65 and 66,670,271.10 is: 100,005,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,345,087.10 : 134,017,630.65 = 66,670,271.10 : x
  2. Step 2: Convert to fraction form
    89,345,087.10/134,017,630.65 = 66,670,271.10/x
  3. Step 3: Cross multiply
    89,345,087.10x = 134,017,630.65 × 66,670,271.10
  4. Step 4: Simplify right side
    89,345,087.10x = 8,934,991,767,615,170
  5. Step 5: Solve for x
    x = 8,934,991,767,615,170/89,345,087.10
  6. Step 6: Final answer
    x = 100,005,406.65

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Similar ratio
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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.