Home / 66,432,312.30-99,648,468.45-57,344,671.20

Finding the Fourth Proportional to 66,432,312.30, 99,648,468.45 and 57,344,671.20

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Solution

The fourth proportional to 66,432,312.30, 99,648,468.45 and 57,344,671.20 is: 86,017,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,312.30 : 99,648,468.45 = 57,344,671.20 : x
  2. Step 2: Convert to fraction form
    66,432,312.30/99,648,468.45 = 57,344,671.20/x
  3. Step 3: Cross multiply
    66,432,312.30x = 99,648,468.45 × 57,344,671.20
  4. Step 4: Simplify right side
    66,432,312.30x = 5,714,308,658,848,824
  5. Step 5: Solve for x
    x = 5,714,308,658,848,824/66,432,312.30
  6. Step 6: Final answer
    x = 86,017,006.80

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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.