Home / 159,710,608.10-220,401,303.45-86,371,750.10

Finding the Fourth Proportional to 159,710,608.10, 220,401,303.45 and 86,371,750.10

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Solution

The fourth proportional to 159,710,608.10, 220,401,303.45 and 86,371,750.10 is: 119,193,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,710,608.10 : 220,401,303.45 = 86,371,750.10 : x
  2. Step 2: Convert to fraction form
    159,710,608.10/220,401,303.45 = 86,371,750.10/x
  3. Step 3: Cross multiply
    159,710,608.10x = 220,401,303.45 × 86,371,750.10
  4. Step 4: Simplify right side
    159,710,608.10x = 19,036,446,303,297,664
  5. Step 5: Solve for x
    x = 19,036,446,303,297,664/159,710,608.10
  6. Step 6: Final answer
    x = 119,193,374.38

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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.