Home / 145,210,643.60-217,815,965.40-112,332,160.40

Finding the Fourth Proportional to 145,210,643.60, 217,815,965.40 and 112,332,160.40

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Solution

The fourth proportional to 145,210,643.60, 217,815,965.40 and 112,332,160.40 is: 168,498,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,210,643.60 : 217,815,965.40 = 112,332,160.40 : x
  2. Step 2: Convert to fraction form
    145,210,643.60/217,815,965.40 = 112,332,160.40/x
  3. Step 3: Cross multiply
    145,210,643.60x = 217,815,965.40 × 112,332,160.40
  4. Step 4: Simplify right side
    145,210,643.60x = 24,467,737,962,993,652
  5. Step 5: Solve for x
    x = 24,467,737,962,993,652/145,210,643.60
  6. Step 6: Final answer
    x = 168,498,240.60

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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.