Home / 194,067,108,831.32-291,106,593,639.99-66,580,012,312.25

Finding the Fourth Proportional to 194,067,108,831.32, 291,106,593,639.99 and 66,580,012,312.25

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Solution

The fourth proportional to 194,067,108,831.32, 291,106,593,639.99 and 66,580,012,312.25 is: 99,872,053,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,067,108,831.32 : 291,106,593,639.99 = 66,580,012,312.25 : x
  2. Step 2: Convert to fraction form
    194,067,108,831.32/291,106,593,639.99 = 66,580,012,312.25/x
  3. Step 3: Cross multiply
    194,067,108,831.32x = 291,106,593,639.99 × 66,580,012,312.25
  4. Step 4: Simplify right side
    194,067,108,831.32x = 19,381,880,588,726,236,610,560
  5. Step 5: Solve for x
    x = 19,381,880,588,726,236,610,560/194,067,108,831.32
  6. Step 6: Final answer
    x = 99,872,053,051.36

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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.