Home / 76,931,624.70-115,214,247.45-44,515,210.86

Finding the Fourth Proportional to 76,931,624.70, 115,214,247.45 and 44,515,210.86

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Solution

The fourth proportional to 76,931,624.70, 115,214,247.45 and 44,515,210.86 is: 66,666,816.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,931,624.70 : 115,214,247.45 = 44,515,210.86 : x
  2. Step 2: Convert to fraction form
    76,931,624.70/115,214,247.45 = 44,515,210.86/x
  3. Step 3: Cross multiply
    76,931,624.70x = 115,214,247.45 × 44,515,210.86
  4. Step 4: Simplify right side
    76,931,624.70x = 5,128,786,519,312,967
  5. Step 5: Solve for x
    x = 5,128,786,519,312,967/76,931,624.70
  6. Step 6: Final answer
    x = 66,666,816.66

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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.