Home / 66,570,015.40-99,855,023.10-59,011,743.40

Finding the Fourth Proportional to 66,570,015.40, 99,855,023.10 and 59,011,743.40

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Solution

The fourth proportional to 66,570,015.40, 99,855,023.10 and 59,011,743.40 is: 88,517,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,570,015.40 : 99,855,023.10 = 59,011,743.40 : x
  2. Step 2: Convert to fraction form
    66,570,015.40/99,855,023.10 = 59,011,743.40/x
  3. Step 3: Cross multiply
    66,570,015.40x = 99,855,023.10 × 59,011,743.40
  4. Step 4: Simplify right side
    66,570,015.40x = 5,892,619,000,378,272
  5. Step 5: Solve for x
    x = 5,892,619,000,378,272/66,570,015.40
  6. Step 6: Final answer
    x = 88,517,615.10

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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.