Home / 208,293,582.80-287,553,303.24-161,779,693.52

Finding the Fourth Proportional to 208,293,582.80, 287,553,303.24 and 161,779,693.52

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Solution

The fourth proportional to 208,293,582.80, 287,553,303.24 and 161,779,693.52 is: 223,339,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,293,582.80 : 287,553,303.24 = 161,779,693.52 : x
  2. Step 2: Convert to fraction form
    208,293,582.80/287,553,303.24 = 161,779,693.52/x
  3. Step 3: Cross multiply
    208,293,582.80x = 287,553,303.24 × 161,779,693.52
  4. Step 4: Simplify right side
    208,293,582.80x = 46,520,285,268,830,824
  5. Step 5: Solve for x
    x = 46,520,285,268,830,824/208,293,582.80
  6. Step 6: Final answer
    x = 223,339,983.13

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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.