Home / 68,167,712,672.90-102,251,569,009.35-51,637,771,808.90

Finding the Fourth Proportional to 68,167,712,672.90, 102,251,569,009.35 and 51,637,771,808.90

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Solution

The fourth proportional to 68,167,712,672.90, 102,251,569,009.35 and 51,637,771,808.90 is: 77,456,657,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167,712,672.90 : 102,251,569,009.35 = 51,637,771,808.90 : x
  2. Step 2: Convert to fraction form
    68,167,712,672.90/102,251,569,009.35 = 51,637,771,808.90/x
  3. Step 3: Cross multiply
    68,167,712,672.90x = 102,251,569,009.35 × 51,637,771,808.90
  4. Step 4: Simplify right side
    68,167,712,672.90x = 5,280,043,187,606,807,117,824
  5. Step 5: Solve for x
    x = 5,280,043,187,606,807,117,824/68,167,712,672.90
  6. Step 6: Final answer
    x = 77,456,657,713.35

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1.5x scale

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.