Home / 289,225,339.44-399,129,734.30-157,065,410.58

Finding the Fourth Proportional to 289,225,339.44, 399,129,734.30 and 157,065,410.58

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Solution

The fourth proportional to 289,225,339.44, 399,129,734.30 and 157,065,410.58 is: 216,749,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,225,339.44 : 399,129,734.30 = 157,065,410.58 : x
  2. Step 2: Convert to fraction form
    289,225,339.44/399,129,734.30 = 157,065,410.58/x
  3. Step 3: Cross multiply
    289,225,339.44x = 399,129,734.30 × 157,065,410.58
  4. Step 4: Simplify right side
    289,225,339.44x = 62,689,475,592,515,816
  5. Step 5: Solve for x
    x = 62,689,475,592,515,816/289,225,339.44
  6. Step 6: Final answer
    x = 216,749,596.40

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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.