Home / 287,718,303.56-397,050,512.11-160,557,648.59

Finding the Fourth Proportional to 287,718,303.56, 397,050,512.11 and 160,557,648.59

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Solution

The fourth proportional to 287,718,303.56, 397,050,512.11 and 160,557,648.59 is: 221,569,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,718,303.56 : 397,050,512.11 = 160,557,648.59 : x
  2. Step 2: Convert to fraction form
    287,718,303.56/397,050,512.11 = 160,557,648.59/x
  3. Step 3: Cross multiply
    287,718,303.56x = 397,050,512.11 × 160,557,648.59
  4. Step 4: Simplify right side
    287,718,303.56x = 63,749,496,596,428,152
  5. Step 5: Solve for x
    x = 63,749,496,596,428,152/287,718,303.56
  6. Step 6: Final answer
    x = 221,569,138.31

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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.