Home / 186,448,068,005.10-279,672,102,007.65-68,656,933,848.30

Finding the Fourth Proportional to 186,448,068,005.10, 279,672,102,007.65 and 68,656,933,848.30

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Solution

The fourth proportional to 186,448,068,005.10, 279,672,102,007.65 and 68,656,933,848.30 is: 102,985,400,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,448,068,005.10 : 279,672,102,007.65 = 68,656,933,848.30 : x
  2. Step 2: Convert to fraction form
    186,448,068,005.10/279,672,102,007.65 = 68,656,933,848.30/x
  3. Step 3: Cross multiply
    186,448,068,005.10x = 279,672,102,007.65 × 68,656,933,848.30
  4. Step 4: Simplify right side
    186,448,068,005.10x = 19,201,429,006,754,238,169,088
  5. Step 5: Solve for x
    x = 19,201,429,006,754,238,169,088/186,448,068,005.10
  6. Step 6: Final answer
    x = 102,985,400,772.45

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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.