Home / 421,143,592.95-631,772,876.75-175,442,768.37

Finding the Fourth Proportional to 421,143,592.95, 631,772,876.75 and 175,442,768.37

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Solution

The fourth proportional to 421,143,592.95, 631,772,876.75 and 175,442,768.37 is: 263,188,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,143,592.95 : 631,772,876.75 = 175,442,768.37 : x
  2. Step 2: Convert to fraction form
    421,143,592.95/631,772,876.75 = 175,442,768.37/x
  3. Step 3: Cross multiply
    421,143,592.95x = 631,772,876.75 × 175,442,768.37
  4. Step 4: Simplify right side
    421,143,592.95x = 110,839,982,477,221,600
  5. Step 5: Solve for x
    x = 110,839,982,477,221,600/421,143,592.95
  6. Step 6: Final answer
    x = 263,188,101.00

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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.