Home / 303,696,078.40-455,544,117.60-139,933,518.40

Finding the Fourth Proportional to 303,696,078.40, 455,544,117.60 and 139,933,518.40

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Solution

The fourth proportional to 303,696,078.40, 455,544,117.60 and 139,933,518.40 is: 209,900,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,696,078.40 : 455,544,117.60 = 139,933,518.40 : x
  2. Step 2: Convert to fraction form
    303,696,078.40/455,544,117.60 = 139,933,518.40/x
  3. Step 3: Cross multiply
    303,696,078.40x = 455,544,117.60 × 139,933,518.40
  4. Step 4: Simplify right side
    303,696,078.40x = 63,745,891,162,191,368
  5. Step 5: Solve for x
    x = 63,745,891,162,191,368/303,696,078.40
  6. Step 6: Final answer
    x = 209,900,277.60

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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.