Home / 212,584,810.77-318,877,220.30-51,026,746.77

Finding the Fourth Proportional to 212,584,810.77, 318,877,220.30 and 51,026,746.77

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Solution

The fourth proportional to 212,584,810.77, 318,877,220.30 and 51,026,746.77 is: 76,540,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,584,810.77 : 318,877,220.30 = 51,026,746.77 : x
  2. Step 2: Convert to fraction form
    212,584,810.77/318,877,220.30 = 51,026,746.77/x
  3. Step 3: Cross multiply
    212,584,810.77x = 318,877,220.30 × 51,026,746.77
  4. Step 4: Simplify right side
    212,584,810.77x = 16,271,267,170,714,472
  5. Step 5: Solve for x
    x = 16,271,267,170,714,472/212,584,810.77
  6. Step 6: Final answer
    x = 76,540,121.15

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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.