Home / 115,822,116.80-173,865,885.60-67,980,017.60

Finding the Fourth Proportional to 115,822,116.80, 173,865,885.60 and 67,980,017.60

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Solution

The fourth proportional to 115,822,116.80, 173,865,885.60 and 67,980,017.60 is: 102,047,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,822,116.80 : 173,865,885.60 = 67,980,017.60 : x
  2. Step 2: Convert to fraction form
    115,822,116.80/173,865,885.60 = 67,980,017.60/x
  3. Step 3: Cross multiply
    115,822,116.80x = 173,865,885.60 × 67,980,017.60
  4. Step 4: Simplify right side
    115,822,116.80x = 11,819,405,963,127,586
  5. Step 5: Solve for x
    x = 11,819,405,963,127,586/115,822,116.80
  6. Step 6: Final answer
    x = 102,047,918.74

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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.