Home / 90,763,700-136,146,734.58-30,179,426

Finding the Fourth Proportional to 90,763,700, 136,146,734.58 and 30,179,426

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Solution

The fourth proportional to 90,763,700, 136,146,734.58 and 30,179,426 is: 45,269,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,763,700 : 136,146,734.58 = 30,179,426 : x
  2. Step 2: Convert to fraction form
    90,763,700/136,146,734.58 = 30,179,426/x
  3. Step 3: Cross multiply
    90,763,700x = 136,146,734.58 × 30,179,426
  4. Step 4: Simplify right side
    90,763,700x = 4,108,830,301,398,751.50
  5. Step 5: Solve for x
    x = 4,108,830,301,398,751.50/90,763,700
  6. Step 6: Final answer
    x = 45,269,532.88

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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.