Home / 72,609,925.66-100,201,699.46-40,014,877.66

Finding the Fourth Proportional to 72,609,925.66, 100,201,699.46 and 40,014,877.66

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Solution

The fourth proportional to 72,609,925.66, 100,201,699.46 and 40,014,877.66 is: 55,220,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,609,925.66 : 100,201,699.46 = 40,014,877.66 : x
  2. Step 2: Convert to fraction form
    72,609,925.66/100,201,699.46 = 40,014,877.66/x
  3. Step 3: Cross multiply
    72,609,925.66x = 100,201,699.46 × 40,014,877.66
  4. Step 4: Simplify right side
    72,609,925.66x = 4,009,558,745,065,521
  5. Step 5: Solve for x
    x = 4,009,558,745,065,521/72,609,925.66
  6. Step 6: Final answer
    x = 55,220,532.30

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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.