Home / 287,961,739.27-397,398,477.26-162,518,317.04

Finding the Fourth Proportional to 287,961,739.27, 397,398,477.26 and 162,518,317.04

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Solution

The fourth proportional to 287,961,739.27, 397,398,477.26 and 162,518,317.04 is: 224,281,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,961,739.27 : 397,398,477.26 = 162,518,317.04 : x
  2. Step 2: Convert to fraction form
    287,961,739.27/397,398,477.26 = 162,518,317.04/x
  3. Step 3: Cross multiply
    287,961,739.27x = 397,398,477.26 × 162,518,317.04
  4. Step 4: Simplify right side
    287,961,739.27x = 64,584,531,719,953,696
  5. Step 5: Solve for x
    x = 64,584,531,719,953,696/287,961,739.27
  6. Step 6: Final answer
    x = 224,281,642.01

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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.