Home / 170,427,986.40-255,492,680.40-102,297,784.80

Finding the Fourth Proportional to 170,427,986.40, 255,492,680.40 and 102,297,784.80

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Solution

The fourth proportional to 170,427,986.40, 255,492,680.40 and 102,297,784.80 is: 153,357,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,427,986.40 : 255,492,680.40 = 102,297,784.80 : x
  2. Step 2: Convert to fraction form
    170,427,986.40/255,492,680.40 = 102,297,784.80/x
  3. Step 3: Cross multiply
    170,427,986.40x = 255,492,680.40 × 102,297,784.80
  4. Step 4: Simplify right side
    170,427,986.40x = 26,136,335,237,534,376
  5. Step 5: Solve for x
    x = 26,136,335,237,534,376/170,427,986.40
  6. Step 6: Final answer
    x = 153,357,061.77

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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.