Home / 85,787,680,298.43-128,700,135,971.28-26,094,791,132.12

Finding the Fourth Proportional to 85,787,680,298.43, 128,700,135,971.28 and 26,094,791,132.12

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Solution

The fourth proportional to 85,787,680,298.43, 128,700,135,971.28 and 26,094,791,132.12 is: 39,147,849,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,787,680,298.43 : 128,700,135,971.28 = 26,094,791,132.12 : x
  2. Step 2: Convert to fraction form
    85,787,680,298.43/128,700,135,971.28 = 26,094,791,132.12/x
  3. Step 3: Cross multiply
    85,787,680,298.43x = 128,700,135,971.28 × 26,094,791,132.12
  4. Step 4: Simplify right side
    85,787,680,298.43x = 3,358,403,166,845,352,280,064
  5. Step 5: Solve for x
    x = 3,358,403,166,845,352,280,064/85,787,680,298.43
  6. Step 6: Final answer
    x = 39,147,849,145.27

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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.