Home / 207,185,166.40-310,819,221.60-61,618,446.40

Finding the Fourth Proportional to 207,185,166.40, 310,819,221.60 and 61,618,446.40

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Solution

The fourth proportional to 207,185,166.40, 310,819,221.60 and 61,618,446.40 is: 92,440,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,185,166.40 : 310,819,221.60 = 61,618,446.40 : x
  2. Step 2: Convert to fraction form
    207,185,166.40/310,819,221.60 = 61,618,446.40/x
  3. Step 3: Cross multiply
    207,185,166.40x = 310,819,221.60 × 61,618,446.40
  4. Step 4: Simplify right side
    207,185,166.40x = 19,152,197,546,249,324
  5. Step 5: Solve for x
    x = 19,152,197,546,249,324/207,185,166.40
  6. Step 6: Final answer
    x = 92,440,003.69

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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.