Home / 144,800,962.58-199,829,266.72-78,725,904.32

Finding the Fourth Proportional to 144,800,962.58, 199,829,266.72 and 78,725,904.32

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Solution

The fourth proportional to 144,800,962.58, 199,829,266.72 and 78,725,904.32 is: 108,643,889.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,800,962.58 : 199,829,266.72 = 78,725,904.32 : x
  2. Step 2: Convert to fraction form
    144,800,962.58/199,829,266.72 = 78,725,904.32/x
  3. Step 3: Cross multiply
    144,800,962.58x = 199,829,266.72 × 78,725,904.32
  4. Step 4: Simplify right side
    144,800,962.58x = 15,731,739,732,134,478
  5. Step 5: Solve for x
    x = 15,731,739,732,134,478/144,800,962.58
  6. Step 6: Final answer
    x = 108,643,889.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.