Home / 45,549,271.80-68,323,907.70-18,642,238.20

Finding the Fourth Proportional to 45,549,271.80, 68,323,907.70 and 18,642,238.20

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Solution

The fourth proportional to 45,549,271.80, 68,323,907.70 and 18,642,238.20 is: 27,963,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,549,271.80 : 68,323,907.70 = 18,642,238.20 : x
  2. Step 2: Convert to fraction form
    45,549,271.80/68,323,907.70 = 18,642,238.20/x
  3. Step 3: Cross multiply
    45,549,271.80x = 68,323,907.70 × 18,642,238.20
  4. Step 4: Simplify right side
    45,549,271.80x = 1,273,710,562,098,214.25
  5. Step 5: Solve for x
    x = 1,273,710,562,098,214.25/45,549,271.80
  6. Step 6: Final answer
    x = 27,963,357.30

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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.