Home / 165,638,586.60-248,455,547.10-74,762,029.80

Finding the Fourth Proportional to 165,638,586.60, 248,455,547.10 and 74,762,029.80

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Solution

The fourth proportional to 165,638,586.60, 248,455,547.10 and 74,762,029.80 is: 112,141,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,638,586.60 : 248,455,547.10 = 74,762,029.80 : x
  2. Step 2: Convert to fraction form
    165,638,586.60/248,455,547.10 = 74,762,029.80/x
  3. Step 3: Cross multiply
    165,638,586.60x = 248,455,547.10 × 74,762,029.80
  4. Step 4: Simplify right side
    165,638,586.60x = 18,575,041,016,265,504
  5. Step 5: Solve for x
    x = 18,575,041,016,265,504/165,638,586.60
  6. Step 6: Final answer
    x = 112,141,991.78

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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.