Home / 119,711,812,242.88-165,202,738,568.28-64,778,985,566.32

Finding the Fourth Proportional to 119,711,812,242.88, 165,202,738,568.28 and 64,778,985,566.32

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Solution

The fourth proportional to 119,711,812,242.88, 165,202,738,568.28 and 64,778,985,566.32 is: 89,395,236,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,711,812,242.88 : 165,202,738,568.28 = 64,778,985,566.32 : x
  2. Step 2: Convert to fraction form
    119,711,812,242.88/165,202,738,568.28 = 64,778,985,566.32/x
  3. Step 3: Cross multiply
    119,711,812,242.88x = 165,202,738,568.28 × 64,778,985,566.32
  4. Step 4: Simplify right side
    119,711,812,242.88x = 10,701,665,817,231,146,090,496
  5. Step 5: Solve for x
    x = 10,701,665,817,231,146,090,496/119,711,812,242.88
  6. Step 6: Final answer
    x = 89,395,236,917.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.