Home / 158,807,652.79-238,008,567.96-128,116,705.41

Finding the Fourth Proportional to 158,807,652.79, 238,008,567.96 and 128,116,705.41

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Solution

The fourth proportional to 158,807,652.79, 238,008,567.96 and 128,116,705.41 is: 192,011,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,807,652.79 : 238,008,567.96 = 128,116,705.41 : x
  2. Step 2: Convert to fraction form
    158,807,652.79/238,008,567.96 = 128,116,705.41/x
  3. Step 3: Cross multiply
    158,807,652.79x = 238,008,567.96 × 128,116,705.41
  4. Step 4: Simplify right side
    158,807,652.79x = 30,492,873,586,387,284
  5. Step 5: Solve for x
    x = 30,492,873,586,387,284/158,807,652.79
  6. Step 6: Final answer
    x = 192,011,361.23

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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.