Home / 158,975,999.40-238,463,999.10-118,665,215.40

Finding the Fourth Proportional to 158,975,999.40, 238,463,999.10 and 118,665,215.40

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Solution

The fourth proportional to 158,975,999.40, 238,463,999.10 and 118,665,215.40 is: 177,997,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,975,999.40 : 238,463,999.10 = 118,665,215.40 : x
  2. Step 2: Convert to fraction form
    158,975,999.40/238,463,999.10 = 118,665,215.40/x
  3. Step 3: Cross multiply
    158,975,999.40x = 238,463,999.10 × 118,665,215.40
  4. Step 4: Simplify right side
    158,975,999.40x = 28,297,381,818,346,908
  5. Step 5: Solve for x
    x = 28,297,381,818,346,908/158,975,999.40
  6. Step 6: Final answer
    x = 177,997,823.10

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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.