Home / 145,088,630.87-200,222,323.13-79,009,109.30

Finding the Fourth Proportional to 145,088,630.87, 200,222,323.13 and 79,009,109.30

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Solution

The fourth proportional to 145,088,630.87, 200,222,323.13 and 79,009,109.30 is: 109,032,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,088,630.87 : 200,222,323.13 = 79,009,109.30 : x
  2. Step 2: Convert to fraction form
    145,088,630.87/200,222,323.13 = 79,009,109.30/x
  3. Step 3: Cross multiply
    145,088,630.87x = 200,222,323.13 × 79,009,109.30
  4. Step 4: Simplify right side
    145,088,630.87x = 15,819,387,413,176,166
  5. Step 5: Solve for x
    x = 15,819,387,413,176,166/145,088,630.87
  6. Step 6: Final answer
    x = 109,032,577.67

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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.