Home / 52,215,396.31-72,041,533-31,299,797.44

Finding the Fourth Proportional to 52,215,396.31, 72,041,533 and 31,299,797.44

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Solution

The fourth proportional to 52,215,396.31, 72,041,533 and 31,299,797.44 is: 43,184,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215,396.31 : 72,041,533 = 31,299,797.44 : x
  2. Step 2: Convert to fraction form
    52,215,396.31/72,041,533 = 31,299,797.44/x
  3. Step 3: Cross multiply
    52,215,396.31x = 72,041,533 × 31,299,797.44
  4. Step 4: Simplify right side
    52,215,396.31x = 2,254,885,390,167,075.50
  5. Step 5: Solve for x
    x = 2,254,885,390,167,075.50/52,215,396.31
  6. Step 6: Final answer
    x = 43,184,300.98

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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.