Home / 140,020,177.16-193,230,937.64-77,296,126.56

Finding the Fourth Proportional to 140,020,177.16, 193,230,937.64 and 77,296,126.56

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Solution

The fourth proportional to 140,020,177.16, 193,230,937.64 and 77,296,126.56 is: 106,670,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,177.16 : 193,230,937.64 = 77,296,126.56 : x
  2. Step 2: Convert to fraction form
    140,020,177.16/193,230,937.64 = 77,296,126.56/x
  3. Step 3: Cross multiply
    140,020,177.16x = 193,230,937.64 × 77,296,126.56
  4. Step 4: Simplify right side
    140,020,177.16x = 14,936,003,011,128,908
  5. Step 5: Solve for x
    x = 14,936,003,011,128,908/140,020,177.16
  6. Step 6: Final answer
    x = 106,670,362.19

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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.