Home / 163,560,266.10-245,132,002.35-86,920,010.10

Finding the Fourth Proportional to 163,560,266.10, 245,132,002.35 and 86,920,010.10

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Solution

The fourth proportional to 163,560,266.10, 245,132,002.35 and 86,920,010.10 is: 130,269,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,560,266.10 : 245,132,002.35 = 86,920,010.10 : x
  2. Step 2: Convert to fraction form
    163,560,266.10/245,132,002.35 = 86,920,010.10/x
  3. Step 3: Cross multiply
    163,560,266.10x = 245,132,002.35 × 86,920,010.10
  4. Step 4: Simplify right side
    163,560,266.10x = 21,306,876,120,095,220
  5. Step 5: Solve for x
    x = 21,306,876,120,095,220/163,560,266.10
  6. Step 6: Final answer
    x = 130,269,267.89

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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.