Home / 144,796,811.60-217,195,217.40-138,078,347.60

Finding the Fourth Proportional to 144,796,811.60, 217,195,217.40 and 138,078,347.60

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Solution

The fourth proportional to 144,796,811.60, 217,195,217.40 and 138,078,347.60 is: 207,117,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,796,811.60 : 217,195,217.40 = 138,078,347.60 : x
  2. Step 2: Convert to fraction form
    144,796,811.60/217,195,217.40 = 138,078,347.60/x
  3. Step 3: Cross multiply
    144,796,811.60x = 217,195,217.40 × 138,078,347.60
  4. Step 4: Simplify right side
    144,796,811.60x = 29,989,956,725,214,768
  5. Step 5: Solve for x
    x = 29,989,956,725,214,768/144,796,811.60
  6. Step 6: Final answer
    x = 207,117,521.40

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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.