Home / 72,575,953.93-100,154,772.27-39,980,905.93

Finding the Fourth Proportional to 72,575,953.93, 100,154,772.27 and 39,980,905.93

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Solution

The fourth proportional to 72,575,953.93, 100,154,772.27 and 39,980,905.93 is: 55,173,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,575,953.93 : 100,154,772.27 = 39,980,905.93 : x
  2. Step 2: Convert to fraction form
    72,575,953.93/100,154,772.27 = 39,980,905.93/x
  3. Step 3: Cross multiply
    72,575,953.93x = 100,154,772.27 × 39,980,905.93
  4. Step 4: Simplify right side
    72,575,953.93x = 4,004,278,528,692,635.50
  5. Step 5: Solve for x
    x = 4,004,278,528,692,635.50/72,575,953.93
  6. Step 6: Final answer
    x = 55,173,625.86

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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.