Home / 141,140,431.90-211,687,165.92-42,748,745.47

Finding the Fourth Proportional to 141,140,431.90, 211,687,165.92 and 42,748,745.47

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Solution

The fourth proportional to 141,140,431.90, 211,687,165.92 and 42,748,745.47 is: 64,116,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,140,431.90 : 211,687,165.92 = 42,748,745.47 : x
  2. Step 2: Convert to fraction form
    141,140,431.90/211,687,165.92 = 42,748,745.47/x
  3. Step 3: Cross multiply
    141,140,431.90x = 211,687,165.92 × 42,748,745.47
  4. Step 4: Simplify right side
    141,140,431.90x = 9,049,360,774,121,302
  5. Step 5: Solve for x
    x = 9,049,360,774,121,302/141,140,431.90
  6. Step 6: Final answer
    x = 64,116,005.97

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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.