Home / 76,733,411.60-115,100,117.40-70,462,845.20

Finding the Fourth Proportional to 76,733,411.60, 115,100,117.40 and 70,462,845.20

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Solution

The fourth proportional to 76,733,411.60, 115,100,117.40 and 70,462,845.20 is: 105,694,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,733,411.60 : 115,100,117.40 = 70,462,845.20 : x
  2. Step 2: Convert to fraction form
    76,733,411.60/115,100,117.40 = 70,462,845.20/x
  3. Step 3: Cross multiply
    76,733,411.60x = 115,100,117.40 × 70,462,845.20
  4. Step 4: Simplify right side
    76,733,411.60x = 8,110,281,754,858,027
  5. Step 5: Solve for x
    x = 8,110,281,754,858,027/76,733,411.60
  6. Step 6: Final answer
    x = 105,694,267.80

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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.