Home / 85,209,281,238.60-127,813,921,857.90-35,558,236,643.40

Finding the Fourth Proportional to 85,209,281,238.60, 127,813,921,857.90 and 35,558,236,643.40

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Solution

The fourth proportional to 85,209,281,238.60, 127,813,921,857.90 and 35,558,236,643.40 is: 53,337,354,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,209,281,238.60 : 127,813,921,857.90 = 35,558,236,643.40 : x
  2. Step 2: Convert to fraction form
    85,209,281,238.60/127,813,921,857.90 = 35,558,236,643.40/x
  3. Step 3: Cross multiply
    85,209,281,238.60x = 127,813,921,857.90 × 35,558,236,643.40
  4. Step 4: Simplify right side
    85,209,281,238.60x = 4,544,837,679,744,243,728,384
  5. Step 5: Solve for x
    x = 4,544,837,679,744,243,728,384/85,209,281,238.60
  6. Step 6: Final answer
    x = 53,337,354,965.10

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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.