Home / 56,779,645.60-85,190,463.60-18,442,410.40

Finding the Fourth Proportional to 56,779,645.60, 85,190,463.60 and 18,442,410.40

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Solution

The fourth proportional to 56,779,645.60, 85,190,463.60 and 18,442,410.40 is: 27,670,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,779,645.60 : 85,190,463.60 = 18,442,410.40 : x
  2. Step 2: Convert to fraction form
    56,779,645.60/85,190,463.60 = 18,442,410.40/x
  3. Step 3: Cross multiply
    56,779,645.60x = 85,190,463.60 × 18,442,410.40
  4. Step 4: Simplify right side
    56,779,645.60x = 1,571,117,491,877,461.25
  5. Step 5: Solve for x
    x = 1,571,117,491,877,461.25/56,779,645.60
  6. Step 6: Final answer
    x = 27,670,434.98

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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.