Home / 159,791,999.40-239,282,495.10-87,907,199.40

Finding the Fourth Proportional to 159,791,999.40, 239,282,495.10 and 87,907,199.40

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Solution

The fourth proportional to 159,791,999.40, 239,282,495.10 and 87,907,199.40 is: 131,637,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,791,999.40 : 239,282,495.10 = 87,907,199.40 : x
  2. Step 2: Convert to fraction form
    159,791,999.40/239,282,495.10 = 87,907,199.40/x
  3. Step 3: Cross multiply
    159,791,999.40x = 239,282,495.10 × 87,907,199.40
  4. Step 4: Simplify right side
    159,791,999.40x = 21,034,654,009,685,224
  5. Step 5: Solve for x
    x = 21,034,654,009,685,224/159,791,999.40
  6. Step 6: Final answer
    x = 131,637,717.09

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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.