Home / 102,145,145.60-153,217,718.40-63,849,900.80

Finding the Fourth Proportional to 102,145,145.60, 153,217,718.40 and 63,849,900.80

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Solution

The fourth proportional to 102,145,145.60, 153,217,718.40 and 63,849,900.80 is: 95,774,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,145,145.60 : 153,217,718.40 = 63,849,900.80 : x
  2. Step 2: Convert to fraction form
    102,145,145.60/153,217,718.40 = 63,849,900.80/x
  3. Step 3: Cross multiply
    102,145,145.60x = 153,217,718.40 × 63,849,900.80
  4. Step 4: Simplify right side
    102,145,145.60x = 9,782,936,120,642,334
  5. Step 5: Solve for x
    x = 9,782,936,120,642,334/102,145,145.60
  6. Step 6: Final answer
    x = 95,774,851.20

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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.