Home / 378,077,643.93-566,792,994.15-145,075,567.44

Finding the Fourth Proportional to 378,077,643.93, 566,792,994.15 and 145,075,567.44

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Solution

The fourth proportional to 378,077,643.93, 566,792,994.15 and 145,075,567.44 is: 217,489,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,077,643.93 : 566,792,994.15 = 145,075,567.44 : x
  2. Step 2: Convert to fraction form
    378,077,643.93/566,792,994.15 = 145,075,567.44/x
  3. Step 3: Cross multiply
    378,077,643.93x = 566,792,994.15 × 145,075,567.44
  4. Step 4: Simplify right side
    378,077,643.93x = 82,227,815,247,327,840
  5. Step 5: Solve for x
    x = 82,227,815,247,327,840/378,077,643.93
  6. Step 6: Final answer
    x = 217,489,228.91

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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.