Home / 145,498,024.77-200,757,300.75-83,606,405.91

Finding the Fourth Proportional to 145,498,024.77, 200,757,300.75 and 83,606,405.91

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Solution

The fourth proportional to 145,498,024.77, 200,757,300.75 and 83,606,405.91 is: 115,359,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,498,024.77 : 200,757,300.75 = 83,606,405.91 : x
  2. Step 2: Convert to fraction form
    145,498,024.77/200,757,300.75 = 83,606,405.91/x
  3. Step 3: Cross multiply
    145,498,024.77x = 200,757,300.75 × 83,606,405.91
  4. Step 4: Simplify right side
    145,498,024.77x = 16,784,596,376,109,462
  5. Step 5: Solve for x
    x = 16,784,596,376,109,462/145,498,024.77
  6. Step 6: Final answer
    x = 115,359,616.76

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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.