Home / 72,311,260.95-108,423,182.86-29,130,031.25

Finding the Fourth Proportional to 72,311,260.95, 108,423,182.86 and 29,130,031.25

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Solution

The fourth proportional to 72,311,260.95, 108,423,182.86 and 29,130,031.25 is: 43,677,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,311,260.95 : 108,423,182.86 = 29,130,031.25 : x
  2. Step 2: Convert to fraction form
    72,311,260.95/108,423,182.86 = 29,130,031.25/x
  3. Step 3: Cross multiply
    72,311,260.95x = 108,423,182.86 × 29,130,031.25
  4. Step 4: Simplify right side
    72,311,260.95x = 3,158,370,704,891,621.50
  5. Step 5: Solve for x
    x = 3,158,370,704,891,621.50/72,311,260.95
  6. Step 6: Final answer
    x = 43,677,439.22

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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.