Home / 144,877,644.90-217,326,964.95-87,245,820.90

Finding the Fourth Proportional to 144,877,644.90, 217,326,964.95 and 87,245,820.90

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Solution

The fourth proportional to 144,877,644.90, 217,326,964.95 and 87,245,820.90 is: 130,875,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,877,644.90 : 217,326,964.95 = 87,245,820.90 : x
  2. Step 2: Convert to fraction form
    144,877,644.90/217,326,964.95 = 87,245,820.90/x
  3. Step 3: Cross multiply
    144,877,644.90x = 217,326,964.95 × 87,245,820.90
  4. Step 4: Simplify right side
    144,877,644.90x = 18,960,869,460,768,276
  5. Step 5: Solve for x
    x = 18,960,869,460,768,276/144,877,644.90
  6. Step 6: Final answer
    x = 130,875,053.04

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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.