Home / 286,109,471,894.40-429,164,207,841.60-87,362,442,172.80

Finding the Fourth Proportional to 286,109,471,894.40, 429,164,207,841.60 and 87,362,442,172.80

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Solution

The fourth proportional to 286,109,471,894.40, 429,164,207,841.60 and 87,362,442,172.80 is: 131,043,663,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,109,471,894.40 : 429,164,207,841.60 = 87,362,442,172.80 : x
  2. Step 2: Convert to fraction form
    286,109,471,894.40/429,164,207,841.60 = 87,362,442,172.80/x
  3. Step 3: Cross multiply
    286,109,471,894.40x = 429,164,207,841.60 × 87,362,442,172.80
  4. Step 4: Simplify right side
    286,109,471,894.40x = 37,492,833,290,197,300,936,704
  5. Step 5: Solve for x
    x = 37,492,833,290,197,300,936,704/286,109,471,894.40
  6. Step 6: Final answer
    x = 131,043,663,259.20

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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.