Home / 421,433,149.95-632,134,569.67-110,538,282.76

Finding the Fourth Proportional to 421,433,149.95, 632,134,569.67 and 110,538,282.76

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Solution

The fourth proportional to 421,433,149.95, 632,134,569.67 and 110,538,282.76 is: 165,803,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,433,149.95 : 632,134,569.67 = 110,538,282.76 : x
  2. Step 2: Convert to fraction form
    421,433,149.95/632,134,569.67 = 110,538,282.76/x
  3. Step 3: Cross multiply
    421,433,149.95x = 632,134,569.67 × 110,538,282.76
  4. Step 4: Simplify right side
    421,433,149.95x = 69,875,069,802,696,696
  5. Step 5: Solve for x
    x = 69,875,069,802,696,696/421,433,149.95
  6. Step 6: Final answer
    x = 165,803,449.04

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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.