Home / 77,859,570.14-116,800,966.20-28,671,638.54

Finding the Fourth Proportional to 77,859,570.14, 116,800,966.20 and 28,671,638.54

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Solution

The fourth proportional to 77,859,570.14, 116,800,966.20 and 28,671,638.54 is: 43,011,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,859,570.14 : 116,800,966.20 = 28,671,638.54 : x
  2. Step 2: Convert to fraction form
    77,859,570.14/116,800,966.20 = 28,671,638.54/x
  3. Step 3: Cross multiply
    77,859,570.14x = 116,800,966.20 × 28,671,638.54
  4. Step 4: Simplify right side
    77,859,570.14x = 3,348,875,084,009,157.50
  5. Step 5: Solve for x
    x = 3,348,875,084,009,157.50/77,859,570.14
  6. Step 6: Final answer
    x = 43,011,733.53

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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.