Home / 220,626,500.76-304,460,856.54-121,516,477.56

Finding the Fourth Proportional to 220,626,500.76, 304,460,856.54 and 121,516,477.56

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Solution

The fourth proportional to 220,626,500.76, 304,460,856.54 and 121,516,477.56 is: 167,690,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,626,500.76 : 304,460,856.54 = 121,516,477.56 : x
  2. Step 2: Convert to fraction form
    220,626,500.76/304,460,856.54 = 121,516,477.56/x
  3. Step 3: Cross multiply
    220,626,500.76x = 304,460,856.54 × 121,516,477.56
  4. Step 4: Simplify right side
    220,626,500.76x = 36,997,010,841,641,296
  5. Step 5: Solve for x
    x = 36,997,010,841,641,296/220,626,500.76
  6. Step 6: Final answer
    x = 167,690,693.16

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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.