Home / 372,879,142.56-514,603,851.84-205,648,112.40

Finding the Fourth Proportional to 372,879,142.56, 514,603,851.84 and 205,648,112.40

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Solution

The fourth proportional to 372,879,142.56, 514,603,851.84 and 205,648,112.40 is: 283,811,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,879,142.56 : 514,603,851.84 = 205,648,112.40 : x
  2. Step 2: Convert to fraction form
    372,879,142.56/514,603,851.84 = 205,648,112.40/x
  3. Step 3: Cross multiply
    372,879,142.56x = 514,603,851.84 × 205,648,112.40
  4. Step 4: Simplify right side
    372,879,142.56x = 105,827,310,764,665,264
  5. Step 5: Solve for x
    x = 105,827,310,764,665,264/372,879,142.56
  6. Step 6: Final answer
    x = 283,811,290.81

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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.