Home / 170,427,920.40-255,492,581.40-102,297,718.80

Finding the Fourth Proportional to 170,427,920.40, 255,492,581.40 and 102,297,718.80

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Solution

The fourth proportional to 170,427,920.40, 255,492,581.40 and 102,297,718.80 is: 153,356,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,427,920.40 : 255,492,581.40 = 102,297,718.80 : x
  2. Step 2: Convert to fraction form
    170,427,920.40/255,492,581.40 = 102,297,718.80/x
  3. Step 3: Cross multiply
    170,427,920.40x = 255,492,581.40 × 102,297,718.80
  4. Step 4: Simplify right side
    170,427,920.40x = 26,136,308,247,543,312
  5. Step 5: Solve for x
    x = 26,136,308,247,543,312/170,427,920.40
  6. Step 6: Final answer
    x = 153,356,962.79

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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.