Home / 199,817,671.86-299,747,068.38-75,425,075.60

Finding the Fourth Proportional to 199,817,671.86, 299,747,068.38 and 75,425,075.60

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Solution

The fourth proportional to 199,817,671.86, 299,747,068.38 and 75,425,075.60 is: 113,145,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,817,671.86 : 299,747,068.38 = 75,425,075.60 : x
  2. Step 2: Convert to fraction form
    199,817,671.86/299,747,068.38 = 75,425,075.60/x
  3. Step 3: Cross multiply
    199,817,671.86x = 299,747,068.38 × 75,425,075.60
  4. Step 4: Simplify right side
    199,817,671.86x = 22,608,445,291,941,132
  5. Step 5: Solve for x
    x = 22,608,445,291,941,132/199,817,671.86
  6. Step 6: Final answer
    x = 113,145,374.39

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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.