Home / 66,173,463.20-99,334,844.40-39,262,282.40

Finding the Fourth Proportional to 66,173,463.20, 99,334,844.40 and 39,262,282.40

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Solution

The fourth proportional to 66,173,463.20, 99,334,844.40 and 39,262,282.40 is: 58,937,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,173,463.20 : 99,334,844.40 = 39,262,282.40 : x
  2. Step 2: Convert to fraction form
    66,173,463.20/99,334,844.40 = 39,262,282.40/x
  3. Step 3: Cross multiply
    66,173,463.20x = 99,334,844.40 × 39,262,282.40
  4. Step 4: Simplify right side
    66,173,463.20x = 3,900,112,712,992,858.50
  5. Step 5: Solve for x
    x = 3,900,112,712,992,858.50/66,173,463.20
  6. Step 6: Final answer
    x = 58,937,714.98

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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.