Home / 66,433,538.70-99,650,308.05-57,186,465.30

Finding the Fourth Proportional to 66,433,538.70, 99,650,308.05 and 57,186,465.30

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Solution

The fourth proportional to 66,433,538.70, 99,650,308.05 and 57,186,465.30 is: 85,779,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,538.70 : 99,650,308.05 = 57,186,465.30 : x
  2. Step 2: Convert to fraction form
    66,433,538.70/99,650,308.05 = 57,186,465.30/x
  3. Step 3: Cross multiply
    66,433,538.70x = 99,650,308.05 × 57,186,465.30
  4. Step 4: Simplify right side
    66,433,538.70x = 5,698,648,883,435,635
  5. Step 5: Solve for x
    x = 5,698,648,883,435,635/66,433,538.70
  6. Step 6: Final answer
    x = 85,779,697.95

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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.