Home / 320,532,991.04-480,807,768-87,365,620.16

Finding the Fourth Proportional to 320,532,991.04, 480,807,768 and 87,365,620.16

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Solution

The fourth proportional to 320,532,991.04, 480,807,768 and 87,365,620.16 is: 131,050,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,532,991.04 : 480,807,768 = 87,365,620.16 : x
  2. Step 2: Convert to fraction form
    320,532,991.04/480,807,768 = 87,365,620.16/x
  3. Step 3: Cross multiply
    320,532,991.04x = 480,807,768 × 87,365,620.16
  4. Step 4: Simplify right side
    320,532,991.04x = 42,006,068,829,065,400
  5. Step 5: Solve for x
    x = 42,006,068,829,065,400/320,532,991.04
  6. Step 6: Final answer
    x = 131,050,687.46

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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.