Home / 88,731,666.20-133,097,499.30-85,330,443.80

Finding the Fourth Proportional to 88,731,666.20, 133,097,499.30 and 85,330,443.80

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Solution

The fourth proportional to 88,731,666.20, 133,097,499.30 and 85,330,443.80 is: 127,995,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731,666.20 : 133,097,499.30 = 85,330,443.80 : x
  2. Step 2: Convert to fraction form
    88,731,666.20/133,097,499.30 = 85,330,443.80/x
  3. Step 3: Cross multiply
    88,731,666.20x = 133,097,499.30 × 85,330,443.80
  4. Step 4: Simplify right side
    88,731,666.20x = 11,357,268,683,939,188
  5. Step 5: Solve for x
    x = 11,357,268,683,939,188/88,731,666.20
  6. Step 6: Final answer
    x = 127,995,665.70

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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.