Home / 76,173,292.68-105,151,325.98-51,427,000.86

Finding the Fourth Proportional to 76,173,292.68, 105,151,325.98 and 51,427,000.86

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Solution

The fourth proportional to 76,173,292.68, 105,151,325.98 and 51,427,000.86 is: 70,990,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,173,292.68 : 105,151,325.98 = 51,427,000.86 : x
  2. Step 2: Convert to fraction form
    76,173,292.68/105,151,325.98 = 51,427,000.86/x
  3. Step 3: Cross multiply
    76,173,292.68x = 105,151,325.98 × 51,427,000.86
  4. Step 4: Simplify right side
    76,173,292.68x = 5,407,617,330,820,708
  5. Step 5: Solve for x
    x = 5,407,617,330,820,708/76,173,292.68
  6. Step 6: Final answer
    x = 70,990,988.32

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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.