Home / 88,569,626.80-122,117,496.06-72,833,659.60

Finding the Fourth Proportional to 88,569,626.80, 122,117,496.06 and 72,833,659.60

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Solution

The fourth proportional to 88,569,626.80, 122,117,496.06 and 72,833,659.60 is: 100,421,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,569,626.80 : 122,117,496.06 = 72,833,659.60 : x
  2. Step 2: Convert to fraction form
    88,569,626.80/122,117,496.06 = 72,833,659.60/x
  3. Step 3: Cross multiply
    88,569,626.80x = 122,117,496.06 × 72,833,659.60
  4. Step 4: Simplify right side
    88,569,626.80x = 8,894,264,139,238,381
  5. Step 5: Solve for x
    x = 8,894,264,139,238,381/88,569,626.80
  6. Step 6: Final answer
    x = 100,421,154.07

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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.