Home / 131,113,292.36-180,934,164.52-72,374,438.12

Finding the Fourth Proportional to 131,113,292.36, 180,934,164.52 and 72,374,438.12

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Solution

The fourth proportional to 131,113,292.36, 180,934,164.52 and 72,374,438.12 is: 99,875,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,113,292.36 : 180,934,164.52 = 72,374,438.12 : x
  2. Step 2: Convert to fraction form
    131,113,292.36/180,934,164.52 = 72,374,438.12/x
  3. Step 3: Cross multiply
    131,113,292.36x = 180,934,164.52 × 72,374,438.12
  4. Step 4: Simplify right side
    131,113,292.36x = 13,095,008,492,761,032
  5. Step 5: Solve for x
    x = 13,095,008,492,761,032/131,113,292.36
  6. Step 6: Final answer
    x = 99,875,521.83

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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.