Home / 31,721,757,035.60-43,779,235,574.64-18,175,191,067.76

Finding the Fourth Proportional to 31,721,757,035.60, 43,779,235,574.64 and 18,175,191,067.76

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Solution

The fourth proportional to 31,721,757,035.60, 43,779,235,574.64 and 18,175,191,067.76 is: 25,083,603,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721,757,035.60 : 43,779,235,574.64 = 18,175,191,067.76 : x
  2. Step 2: Convert to fraction form
    31,721,757,035.60/43,779,235,574.64 = 18,175,191,067.76/x
  3. Step 3: Cross multiply
    31,721,757,035.60x = 43,779,235,574.64 × 18,175,191,067.76
  4. Step 4: Simplify right side
    31,721,757,035.60x = 795,695,971,369,557,688,320
  5. Step 5: Solve for x
    x = 795,695,971,369,557,688,320/31,721,757,035.60
  6. Step 6: Final answer
    x = 25,083,603,360.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.