Home / 158,976,004.40-238,464,006.60-78,354,436.40

Finding the Fourth Proportional to 158,976,004.40, 238,464,006.60 and 78,354,436.40

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Solution

The fourth proportional to 158,976,004.40, 238,464,006.60 and 78,354,436.40 is: 117,531,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,004.40 : 238,464,006.60 = 78,354,436.40 : x
  2. Step 2: Convert to fraction form
    158,976,004.40/238,464,006.60 = 78,354,436.40/x
  3. Step 3: Cross multiply
    158,976,004.40x = 238,464,006.60 × 78,354,436.40
  4. Step 4: Simplify right side
    158,976,004.40x = 18,684,712,838,828,880
  5. Step 5: Solve for x
    x = 18,684,712,838,828,880/158,976,004.40
  6. Step 6: Final answer
    x = 117,531,654.60

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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.