Home / 72,564,475.32-100,139,114.70-39,524,622.30

Finding the Fourth Proportional to 72,564,475.32, 100,139,114.70 and 39,524,622.30

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Solution

The fourth proportional to 72,564,475.32, 100,139,114.70 and 39,524,622.30 is: 54,544,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,564,475.32 : 100,139,114.70 = 39,524,622.30 : x
  2. Step 2: Convert to fraction form
    72,564,475.32/100,139,114.70 = 39,524,622.30/x
  3. Step 3: Cross multiply
    72,564,475.32x = 100,139,114.70 × 39,524,622.30
  4. Step 4: Simplify right side
    72,564,475.32x = 3,957,960,685,973,877.50
  5. Step 5: Solve for x
    x = 3,957,960,685,973,877.50/72,564,475.32
  6. Step 6: Final answer
    x = 54,544,054.35

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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.