Home / 208,249,514.20-312,374,271.30-154,501,802.20

Finding the Fourth Proportional to 208,249,514.20, 312,374,271.30 and 154,501,802.20

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Solution

The fourth proportional to 208,249,514.20, 312,374,271.30 and 154,501,802.20 is: 231,752,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,249,514.20 : 312,374,271.30 = 154,501,802.20 : x
  2. Step 2: Convert to fraction form
    208,249,514.20/312,374,271.30 = 154,501,802.20/x
  3. Step 3: Cross multiply
    208,249,514.20x = 312,374,271.30 × 154,501,802.20
  4. Step 4: Simplify right side
    208,249,514.20x = 48,262,387,876,761,736
  5. Step 5: Solve for x
    x = 48,262,387,876,761,736/208,249,514.20
  6. Step 6: Final answer
    x = 231,752,703.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.