Home / 316,232,237.20-474,430,139-185,185,185.16

Finding the Fourth Proportional to 316,232,237.20, 474,430,139 and 185,185,185.16

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Solution

The fourth proportional to 316,232,237.20, 474,430,139 and 185,185,185.16 is: 277,825,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,232,237.20 : 474,430,139 = 185,185,185.16 : x
  2. Step 2: Convert to fraction form
    316,232,237.20/474,430,139 = 185,185,185.16/x
  3. Step 3: Cross multiply
    316,232,237.20x = 474,430,139 × 185,185,185.16
  4. Step 4: Simplify right side
    316,232,237.20x = 87,857,433,136,199,536
  5. Step 5: Solve for x
    x = 87,857,433,136,199,536/316,232,237.20
  6. Step 6: Final answer
    x = 277,825,669.88

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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.