Home / 142,165,150.56-213,255,701.64-39,921,215.76

Finding the Fourth Proportional to 142,165,150.56, 213,255,701.64 and 39,921,215.76

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Solution

The fourth proportional to 142,165,150.56, 213,255,701.64 and 39,921,215.76 is: 59,884,063.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,165,150.56 : 213,255,701.64 = 39,921,215.76 : x
  2. Step 2: Convert to fraction form
    142,165,150.56/213,255,701.64 = 39,921,215.76/x
  3. Step 3: Cross multiply
    142,165,150.56x = 213,255,701.64 × 39,921,215.76
  4. Step 4: Simplify right side
    142,165,150.56x = 8,513,426,877,220,625
  5. Step 5: Solve for x
    x = 8,513,426,877,220,625/142,165,150.56
  6. Step 6: Final answer
    x = 59,884,063.31

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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.