Home / 180,060,689.51-248,346,654.78-154,985,476.30

Finding the Fourth Proportional to 180,060,689.51, 248,346,654.78 and 154,985,476.30

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Solution

The fourth proportional to 180,060,689.51, 248,346,654.78 and 154,985,476.30 is: 213,761,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,060,689.51 : 248,346,654.78 = 154,985,476.30 : x
  2. Step 2: Convert to fraction form
    180,060,689.51/248,346,654.78 = 154,985,476.30/x
  3. Step 3: Cross multiply
    180,060,689.51x = 248,346,654.78 × 154,985,476.30
  4. Step 4: Simplify right side
    180,060,689.51x = 38,490,124,578,811,096
  5. Step 5: Solve for x
    x = 38,490,124,578,811,096/180,060,689.51
  6. Step 6: Final answer
    x = 213,761,952.62

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1.5x scale

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.