Home / 52,215,327.81-72,041,438.48-31,299,729.21

Finding the Fourth Proportional to 52,215,327.81, 72,041,438.48 and 31,299,729.21

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Solution

The fourth proportional to 52,215,327.81, 72,041,438.48 and 31,299,729.21 is: 43,184,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215,327.81 : 72,041,438.48 = 31,299,729.21 : x
  2. Step 2: Convert to fraction form
    52,215,327.81/72,041,438.48 = 31,299,729.21/x
  3. Step 3: Cross multiply
    52,215,327.81x = 72,041,438.48 × 31,299,729.21
  4. Step 4: Simplify right side
    52,215,327.81x = 2,254,877,516,166,375
  5. Step 5: Solve for x
    x = 2,254,877,516,166,375/52,215,327.81
  6. Step 6: Final answer
    x = 43,184,206.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.