Home / 159,710,529.60-220,401,195.12-86,371,671.60

Finding the Fourth Proportional to 159,710,529.60, 220,401,195.12 and 86,371,671.60

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Solution

The fourth proportional to 159,710,529.60, 220,401,195.12 and 86,371,671.60 is: 119,193,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,710,529.60 : 220,401,195.12 = 86,371,671.60 : x
  2. Step 2: Convert to fraction form
    159,710,529.60/220,401,195.12 = 86,371,671.60/x
  3. Step 3: Cross multiply
    159,710,529.60x = 220,401,195.12 × 86,371,671.60
  4. Step 4: Simplify right side
    159,710,529.60x = 19,036,419,645,152,160
  5. Step 5: Solve for x
    x = 19,036,419,645,152,160/159,710,529.60
  6. Step 6: Final answer
    x = 119,193,266.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.