Home / 155,139,364.80-232,709,047.20-109,222,862.40

Finding the Fourth Proportional to 155,139,364.80, 232,709,047.20 and 109,222,862.40

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Solution

The fourth proportional to 155,139,364.80, 232,709,047.20 and 109,222,862.40 is: 163,834,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,139,364.80 : 232,709,047.20 = 109,222,862.40 : x
  2. Step 2: Convert to fraction form
    155,139,364.80/232,709,047.20 = 109,222,862.40/x
  3. Step 3: Cross multiply
    155,139,364.80x = 232,709,047.20 × 109,222,862.40
  4. Step 4: Simplify right side
    155,139,364.80x = 25,417,148,241,560,704
  5. Step 5: Solve for x
    x = 25,417,148,241,560,704/155,139,364.80
  6. Step 6: Final answer
    x = 163,834,293.60

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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.