Home / 51,643,443.20-77,465,164.80-31,488,051.20

Finding the Fourth Proportional to 51,643,443.20, 77,465,164.80 and 31,488,051.20

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Solution

The fourth proportional to 51,643,443.20, 77,465,164.80 and 31,488,051.20 is: 47,232,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,643,443.20 : 77,465,164.80 = 31,488,051.20 : x
  2. Step 2: Convert to fraction form
    51,643,443.20/77,465,164.80 = 31,488,051.20/x
  3. Step 3: Cross multiply
    51,643,443.20x = 77,465,164.80 × 31,488,051.20
  4. Step 4: Simplify right side
    51,643,443.20x = 2,439,227,075,438,837.50
  5. Step 5: Solve for x
    x = 2,439,227,075,438,837.50/51,643,443.20
  6. Step 6: Final answer
    x = 47,232,076.80

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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.