Home / 115,685,440.86-159,646,211.60-62,762,145.80

Finding the Fourth Proportional to 115,685,440.86, 159,646,211.60 and 62,762,145.80

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Solution

The fourth proportional to 115,685,440.86, 159,646,211.60 and 62,762,145.80 is: 86,611,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,685,440.86 : 159,646,211.60 = 62,762,145.80 : x
  2. Step 2: Convert to fraction form
    115,685,440.86/159,646,211.60 = 62,762,145.80/x
  3. Step 3: Cross multiply
    115,685,440.86x = 159,646,211.60 × 62,762,145.80
  4. Step 4: Simplify right side
    115,685,440.86x = 10,019,738,808,856,850
  5. Step 5: Solve for x
    x = 10,019,738,808,856,850/115,685,440.86
  6. Step 6: Final answer
    x = 86,611,925.70

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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.