Home / 303,255,142.47-454,939,405.61-121,516,492.23

Finding the Fourth Proportional to 303,255,142.47, 454,939,405.61 and 121,516,492.23

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Solution

The fourth proportional to 303,255,142.47, 454,939,405.61 and 121,516,492.23 is: 182,297,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,255,142.47 : 454,939,405.61 = 121,516,492.23 : x
  2. Step 2: Convert to fraction form
    303,255,142.47/454,939,405.61 = 121,516,492.23/x
  3. Step 3: Cross multiply
    303,255,142.47x = 454,939,405.61 × 121,516,492.23
  4. Step 4: Simplify right side
    303,255,142.47x = 55,282,640,746,320,808
  5. Step 5: Solve for x
    x = 55,282,640,746,320,808/303,255,142.47
  6. Step 6: Final answer
    x = 182,297,455.19

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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.