Home / 257,334,006.60-385,907,568.30-140,835,461.76

Finding the Fourth Proportional to 257,334,006.60, 385,907,568.30 and 140,835,461.76

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Solution

The fourth proportional to 257,334,006.60, 385,907,568.30 and 140,835,461.76 is: 211,202,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,334,006.60 : 385,907,568.30 = 140,835,461.76 : x
  2. Step 2: Convert to fraction form
    257,334,006.60/385,907,568.30 = 140,835,461.76/x
  3. Step 3: Cross multiply
    257,334,006.60x = 385,907,568.30 × 140,835,461.76
  4. Step 4: Simplify right side
    257,334,006.60x = 54,349,470,578,209,240
  5. Step 5: Solve for x
    x = 54,349,470,578,209,240/257,334,006.60
  6. Step 6: Final answer
    x = 211,202,053.30

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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.