Home / 131,516,365.22-181,495,545.31-85,187,257.93

Finding the Fourth Proportional to 131,516,365.22, 181,495,545.31 and 85,187,257.93

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Solution

The fourth proportional to 131,516,365.22, 181,495,545.31 and 85,187,257.93 is: 117,560,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,516,365.22 : 181,495,545.31 = 85,187,257.93 : x
  2. Step 2: Convert to fraction form
    131,516,365.22/181,495,545.31 = 85,187,257.93/x
  3. Step 3: Cross multiply
    131,516,365.22x = 181,495,545.31 × 85,187,257.93
  4. Step 4: Simplify right side
    131,516,365.22x = 15,461,107,831,468,974
  5. Step 5: Solve for x
    x = 15,461,107,831,468,974/131,516,365.22
  6. Step 6: Final answer
    x = 117,560,334.07

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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.