Home / 310,120,883.18-427,969,688.95-170,896,627.34

Finding the Fourth Proportional to 310,120,883.18, 427,969,688.95 and 170,896,627.34

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Solution

The fourth proportional to 310,120,883.18, 427,969,688.95 and 170,896,627.34 is: 235,838,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,120,883.18 : 427,969,688.95 = 170,896,627.34 : x
  2. Step 2: Convert to fraction form
    310,120,883.18/427,969,688.95 = 170,896,627.34/x
  3. Step 3: Cross multiply
    310,120,883.18x = 427,969,688.95 × 170,896,627.34
  4. Step 4: Simplify right side
    310,120,883.18x = 73,138,576,442,736,784
  5. Step 5: Solve for x
    x = 73,138,576,442,736,784/310,120,883.18
  6. Step 6: Final answer
    x = 235,838,927.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.