Home / 57,129,037.34-78,837,825.03-31,023,339.98

Finding the Fourth Proportional to 57,129,037.34, 78,837,825.03 and 31,023,339.98

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Solution

The fourth proportional to 57,129,037.34, 78,837,825.03 and 31,023,339.98 is: 42,812,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,129,037.34 : 78,837,825.03 = 31,023,339.98 : x
  2. Step 2: Convert to fraction form
    57,129,037.34/78,837,825.03 = 31,023,339.98/x
  3. Step 3: Cross multiply
    57,129,037.34x = 78,837,825.03 × 31,023,339.98
  4. Step 4: Simplify right side
    57,129,037.34x = 2,445,812,649,189,444
  5. Step 5: Solve for x
    x = 2,445,812,649,189,444/57,129,037.34
  6. Step 6: Final answer
    x = 42,812,075.31

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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.