Home / 159,710,605.60-220,401,300-86,371,747.60

Finding the Fourth Proportional to 159,710,605.60, 220,401,300 and 86,371,747.60

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Solution

The fourth proportional to 159,710,605.60, 220,401,300 and 86,371,747.60 is: 119,193,370.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,710,605.60 : 220,401,300 = 86,371,747.60 : x
  2. Step 2: Convert to fraction form
    159,710,605.60/220,401,300 = 86,371,747.60/x
  3. Step 3: Cross multiply
    159,710,605.60x = 220,401,300 × 86,371,747.60
  4. Step 4: Simplify right side
    159,710,605.60x = 19,036,445,454,311,880
  5. Step 5: Solve for x
    x = 19,036,445,454,311,880/159,710,605.60
  6. Step 6: Final answer
    x = 119,193,370.93

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1.5x scale

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.