Home / 118,643,995.30-177,900,972.80-36,740,135.18

Finding the Fourth Proportional to 118,643,995.30, 177,900,972.80 and 36,740,135.18

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Solution

The fourth proportional to 118,643,995.30, 177,900,972.80 and 36,740,135.18 is: 55,090,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,643,995.30 : 177,900,972.80 = 36,740,135.18 : x
  2. Step 2: Convert to fraction form
    118,643,995.30/177,900,972.80 = 36,740,135.18/x
  3. Step 3: Cross multiply
    118,643,995.30x = 177,900,972.80 × 36,740,135.18
  4. Step 4: Simplify right side
    118,643,995.30x = 6,536,105,788,919,426
  5. Step 5: Solve for x
    x = 6,536,105,788,919,426/118,643,995.30
  6. Step 6: Final answer
    x = 55,090,068.17

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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.