Home / 140,721,384.32-210,957,201.76-53,221,699.68

Finding the Fourth Proportional to 140,721,384.32, 210,957,201.76 and 53,221,699.68

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Solution

The fourth proportional to 140,721,384.32, 210,957,201.76 and 53,221,699.68 is: 79,785,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,721,384.32 : 210,957,201.76 = 53,221,699.68 : x
  2. Step 2: Convert to fraction form
    140,721,384.32/210,957,201.76 = 53,221,699.68/x
  3. Step 3: Cross multiply
    140,721,384.32x = 210,957,201.76 × 53,221,699.68
  4. Step 4: Simplify right side
    140,721,384.32x = 11,227,500,837,403,886
  5. Step 5: Solve for x
    x = 11,227,500,837,403,886/140,721,384.32
  6. Step 6: Final answer
    x = 79,785,321.13

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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.