Home / 147,399,185.34-221,127,117.21-56,515,686.78

Finding the Fourth Proportional to 147,399,185.34, 221,127,117.21 and 56,515,686.78

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Solution

The fourth proportional to 147,399,185.34, 221,127,117.21 and 56,515,686.78 is: 84,784,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,399,185.34 : 221,127,117.21 = 56,515,686.78 : x
  2. Step 2: Convert to fraction form
    147,399,185.34/221,127,117.21 = 56,515,686.78/x
  3. Step 3: Cross multiply
    147,399,185.34x = 221,127,117.21 × 56,515,686.78
  4. Step 4: Simplify right side
    147,399,185.34x = 12,497,150,894,804,708
  5. Step 5: Solve for x
    x = 12,497,150,894,804,708/147,399,185.34
  6. Step 6: Final answer
    x = 84,784,395.97

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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.