Home / 70,956,005.40-106,434,008.10-64,153,560.60

Finding the Fourth Proportional to 70,956,005.40, 106,434,008.10 and 64,153,560.60

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Solution

The fourth proportional to 70,956,005.40, 106,434,008.10 and 64,153,560.60 is: 96,230,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956,005.40 : 106,434,008.10 = 64,153,560.60 : x
  2. Step 2: Convert to fraction form
    70,956,005.40/106,434,008.10 = 64,153,560.60/x
  3. Step 3: Cross multiply
    70,956,005.40x = 106,434,008.10 × 64,153,560.60
  4. Step 4: Simplify right side
    70,956,005.40x = 6,828,120,588,544,241
  5. Step 5: Solve for x
    x = 6,828,120,588,544,241/70,956,005.40
  6. Step 6: Final answer
    x = 96,230,340.90

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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.