Home / 134,569,539.35-185,706,045.68-72,689,905.25

Finding the Fourth Proportional to 134,569,539.35, 185,706,045.68 and 72,689,905.25

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Solution

The fourth proportional to 134,569,539.35, 185,706,045.68 and 72,689,905.25 is: 100,312,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,539.35 : 185,706,045.68 = 72,689,905.25 : x
  2. Step 2: Convert to fraction form
    134,569,539.35/185,706,045.68 = 72,689,905.25/x
  3. Step 3: Cross multiply
    134,569,539.35x = 185,706,045.68 × 72,689,905.25
  4. Step 4: Simplify right side
    134,569,539.35x = 13,498,954,863,539,394
  5. Step 5: Solve for x
    x = 13,498,954,863,539,394/134,569,539.35
  6. Step 6: Final answer
    x = 100,312,113.20

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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.