Home / 288,026,501.76-397,476,558.90-155,867,483.25

Finding the Fourth Proportional to 288,026,501.76, 397,476,558.90 and 155,867,483.25

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Solution

The fourth proportional to 288,026,501.76, 397,476,558.90 and 155,867,483.25 is: 215,097,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,026,501.76 : 397,476,558.90 = 155,867,483.25 : x
  2. Step 2: Convert to fraction form
    288,026,501.76/397,476,558.90 = 155,867,483.25/x
  3. Step 3: Cross multiply
    288,026,501.76x = 397,476,558.90 × 155,867,483.25
  4. Step 4: Simplify right side
    288,026,501.76x = 61,953,670,886,613,384
  5. Step 5: Solve for x
    x = 61,953,670,886,613,384/288,026,501.76
  6. Step 6: Final answer
    x = 215,097,119.56

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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.