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Finding the Fourth Proportional to 77,716,804, 116,580,804.72 and 29,847,748

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Solution

The fourth proportional to 77,716,804, 116,580,804.72 and 29,847,748 is: 44,773,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,716,804 : 116,580,804.72 = 29,847,748 : x
  2. Step 2: Convert to fraction form
    77,716,804/116,580,804.72 = 29,847,748/x
  3. Step 3: Cross multiply
    77,716,804x = 116,580,804.72 × 29,847,748
  4. Step 4: Simplify right side
    77,716,804x = 3,479,674,480,919,770.50
  5. Step 5: Solve for x
    x = 3,479,674,480,919,770.50/77,716,804
  6. Step 6: Final answer
    x = 44,773,772.23

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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.