Home / 258,938,703.13-388,653,611.65-160,271,951.54

Finding the Fourth Proportional to 258,938,703.13, 388,653,611.65 and 160,271,951.54

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Solution

The fourth proportional to 258,938,703.13, 388,653,611.65 and 160,271,951.54 is: 240,559,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,938,703.13 : 388,653,611.65 = 160,271,951.54 : x
  2. Step 2: Convert to fraction form
    258,938,703.13/388,653,611.65 = 160,271,951.54/x
  3. Step 3: Cross multiply
    258,938,703.13x = 388,653,611.65 × 160,271,951.54
  4. Step 4: Simplify right side
    258,938,703.13x = 62,290,272,810,561,528
  5. Step 5: Solve for x
    x = 62,290,272,810,561,528/258,938,703.13
  6. Step 6: Final answer
    x = 240,559,916.53

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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.