Home / 112,014,574.60-168,021,861.90-65,909,115.40

Finding the Fourth Proportional to 112,014,574.60, 168,021,861.90 and 65,909,115.40

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Solution

The fourth proportional to 112,014,574.60, 168,021,861.90 and 65,909,115.40 is: 98,863,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014,574.60 : 168,021,861.90 = 65,909,115.40 : x
  2. Step 2: Convert to fraction form
    112,014,574.60/168,021,861.90 = 65,909,115.40/x
  3. Step 3: Cross multiply
    112,014,574.60x = 168,021,861.90 × 65,909,115.40
  4. Step 4: Simplify right side
    112,014,574.60x = 11,074,172,285,689,964
  5. Step 5: Solve for x
    x = 11,074,172,285,689,964/112,014,574.60
  6. Step 6: Final answer
    x = 98,863,673.10

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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.