Home / 208,249,713.20-312,374,569.80-154,502,001.20

Finding the Fourth Proportional to 208,249,713.20, 312,374,569.80 and 154,502,001.20

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Solution

The fourth proportional to 208,249,713.20, 312,374,569.80 and 154,502,001.20 is: 231,753,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,249,713.20 : 312,374,569.80 = 154,502,001.20 : x
  2. Step 2: Convert to fraction form
    208,249,713.20/312,374,569.80 = 154,502,001.20/x
  3. Step 3: Cross multiply
    208,249,713.20x = 312,374,569.80 × 154,502,001.20
  4. Step 4: Simplify right side
    208,249,713.20x = 48,262,496,158,089,080
  5. Step 5: Solve for x
    x = 48,262,496,158,089,080/208,249,713.20
  6. Step 6: Final answer
    x = 231,753,001.80

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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.