Home / 265,745,205.20-398,617,807.80-74,268,981.20

Finding the Fourth Proportional to 265,745,205.20, 398,617,807.80 and 74,268,981.20

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Solution

The fourth proportional to 265,745,205.20, 398,617,807.80 and 74,268,981.20 is: 111,403,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,745,205.20 : 398,617,807.80 = 74,268,981.20 : x
  2. Step 2: Convert to fraction form
    265,745,205.20/398,617,807.80 = 74,268,981.20/x
  3. Step 3: Cross multiply
    265,745,205.20x = 398,617,807.80 × 74,268,981.20
  4. Step 4: Simplify right side
    265,745,205.20x = 29,604,938,473,483,416
  5. Step 5: Solve for x
    x = 29,604,938,473,483,416/265,745,205.20
  6. Step 6: Final answer
    x = 111,403,471.80

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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.