Home / 124,504,311.60-186,756,467.40-72,848,246.40

Finding the Fourth Proportional to 124,504,311.60, 186,756,467.40 and 72,848,246.40

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Solution

The fourth proportional to 124,504,311.60, 186,756,467.40 and 72,848,246.40 is: 109,272,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,504,311.60 : 186,756,467.40 = 72,848,246.40 : x
  2. Step 2: Convert to fraction form
    124,504,311.60/186,756,467.40 = 72,848,246.40/x
  3. Step 3: Cross multiply
    124,504,311.60x = 186,756,467.40 × 72,848,246.40
  4. Step 4: Simplify right side
    124,504,311.60x = 13,604,881,153,948,768
  5. Step 5: Solve for x
    x = 13,604,881,153,948,768/124,504,311.60
  6. Step 6: Final answer
    x = 109,272,369.60

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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.