Home / 281,905,549.23-389,032,312.75-158,148,883.56

Finding the Fourth Proportional to 281,905,549.23, 389,032,312.75 and 158,148,883.56

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Solution

The fourth proportional to 281,905,549.23, 389,032,312.75 and 158,148,883.56 is: 218,246,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,905,549.23 : 389,032,312.75 = 158,148,883.56 : x
  2. Step 2: Convert to fraction form
    281,905,549.23/389,032,312.75 = 158,148,883.56/x
  3. Step 3: Cross multiply
    281,905,549.23x = 389,032,312.75 × 158,148,883.56
  4. Step 4: Simplify right side
    281,905,549.23x = 61,525,025,931,240,752
  5. Step 5: Solve for x
    x = 61,525,025,931,240,752/281,905,549.23
  6. Step 6: Final answer
    x = 218,246,948.66

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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.