Home / 145,088,634.80-200,222,328.58-79,009,113.24

Finding the Fourth Proportional to 145,088,634.80, 200,222,328.58 and 79,009,113.24

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Solution

The fourth proportional to 145,088,634.80, 200,222,328.58 and 79,009,113.24 is: 109,032,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,088,634.80 : 200,222,328.58 = 79,009,113.24 : x
  2. Step 2: Convert to fraction form
    145,088,634.80/200,222,328.58 = 79,009,113.24/x
  3. Step 3: Cross multiply
    145,088,634.80x = 200,222,328.58 × 79,009,113.24
  4. Step 4: Simplify right side
    145,088,634.80x = 15,819,388,631,756,184
  5. Step 5: Solve for x
    x = 15,819,388,631,756,184/145,088,634.80
  6. Step 6: Final answer
    x = 109,032,583.11

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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.