Home / 208,742,982.71-288,115,486.25-119,486,667.49

Finding the Fourth Proportional to 208,742,982.71, 288,115,486.25 and 119,486,667.49

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Solution

The fourth proportional to 208,742,982.71, 288,115,486.25 and 119,486,667.49 is: 164,920,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,742,982.71 : 288,115,486.25 = 119,486,667.49 : x
  2. Step 2: Convert to fraction form
    208,742,982.71/288,115,486.25 = 119,486,667.49/x
  3. Step 3: Cross multiply
    208,742,982.71x = 288,115,486.25 × 119,486,667.49
  4. Step 4: Simplify right side
    208,742,982.71x = 34,425,959,302,955,696
  5. Step 5: Solve for x
    x = 34,425,959,302,955,696/208,742,982.71
  6. Step 6: Final answer
    x = 164,920,319.03

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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.