Home / 163,706,703.40-245,594,172.30-54,565,780.60

Finding the Fourth Proportional to 163,706,703.40, 245,594,172.30 and 54,565,780.60

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Solution

The fourth proportional to 163,706,703.40, 245,594,172.30 and 54,565,780.60 is: 81,860,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,706,703.40 : 245,594,172.30 = 54,565,780.60 : x
  2. Step 2: Convert to fraction form
    163,706,703.40/245,594,172.30 = 54,565,780.60/x
  3. Step 3: Cross multiply
    163,706,703.40x = 245,594,172.30 × 54,565,780.60
  4. Step 4: Simplify right side
    163,706,703.40x = 13,401,037,722,360,398
  5. Step 5: Solve for x
    x = 13,401,037,722,360,398/163,706,703.40
  6. Step 6: Final answer
    x = 81,860,042.65

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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.