Home / 120,527,526.18-180,814,558.95-51,439,321.38

Finding the Fourth Proportional to 120,527,526.18, 180,814,558.95 and 51,439,321.38

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Solution

The fourth proportional to 120,527,526.18, 180,814,558.95 and 51,439,321.38 is: 77,168,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,527,526.18 : 180,814,558.95 = 51,439,321.38 : x
  2. Step 2: Convert to fraction form
    120,527,526.18/180,814,558.95 = 51,439,321.38/x
  3. Step 3: Cross multiply
    120,527,526.18x = 180,814,558.95 × 51,439,321.38
  4. Step 4: Simplify right side
    120,527,526.18x = 9,300,978,208,012,006
  5. Step 5: Solve for x
    x = 9,300,978,208,012,006/120,527,526.18
  6. Step 6: Final answer
    x = 77,168,913.22

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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.