Home / 215,664,544.80-323,544,056.40-70,073,330.40

Finding the Fourth Proportional to 215,664,544.80, 323,544,056.40 and 70,073,330.40

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Solution

The fourth proportional to 215,664,544.80, 323,544,056.40 and 70,073,330.40 is: 105,125,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,664,544.80 : 323,544,056.40 = 70,073,330.40 : x
  2. Step 2: Convert to fraction form
    215,664,544.80/323,544,056.40 = 70,073,330.40/x
  3. Step 3: Cross multiply
    215,664,544.80x = 323,544,056.40 × 70,073,330.40
  4. Step 4: Simplify right side
    215,664,544.80x = 22,671,809,563,073,436
  5. Step 5: Solve for x
    x = 22,671,809,563,073,436/215,664,544.80
  6. Step 6: Final answer
    x = 105,125,344.47

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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.