Home / 90,587,965.34-125,014,930.91-51,433,385.06

Finding the Fourth Proportional to 90,587,965.34, 125,014,930.91 and 51,433,385.06

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Solution

The fourth proportional to 90,587,965.34, 125,014,930.91 and 51,433,385.06 is: 70,980,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,587,965.34 : 125,014,930.91 = 51,433,385.06 : x
  2. Step 2: Convert to fraction form
    90,587,965.34/125,014,930.91 = 51,433,385.06/x
  3. Step 3: Cross multiply
    90,587,965.34x = 125,014,930.91 × 51,433,385.06
  4. Step 4: Simplify right side
    90,587,965.34x = 6,429,941,079,991,572
  5. Step 5: Solve for x
    x = 6,429,941,079,991,572/90,587,965.34
  6. Step 6: Final answer
    x = 70,980,080.58

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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.