Home / 320,532,992.04-480,807,769.50-87,365,621.16

Finding the Fourth Proportional to 320,532,992.04, 480,807,769.50 and 87,365,621.16

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Solution

The fourth proportional to 320,532,992.04, 480,807,769.50 and 87,365,621.16 is: 131,050,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,532,992.04 : 480,807,769.50 = 87,365,621.16 : x
  2. Step 2: Convert to fraction form
    320,532,992.04/480,807,769.50 = 87,365,621.16/x
  3. Step 3: Cross multiply
    320,532,992.04x = 480,807,769.50 × 87,365,621.16
  4. Step 4: Simplify right side
    320,532,992.04x = 42,006,069,440,921,600
  5. Step 5: Solve for x
    x = 42,006,069,440,921,600/320,532,992.04
  6. Step 6: Final answer
    x = 131,050,688.96

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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.