Home / 139,954,580.40-209,931,870.60-89,062,215.60

Finding the Fourth Proportional to 139,954,580.40, 209,931,870.60 and 89,062,215.60

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Solution

The fourth proportional to 139,954,580.40, 209,931,870.60 and 89,062,215.60 is: 133,593,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,954,580.40 : 209,931,870.60 = 89,062,215.60 : x
  2. Step 2: Convert to fraction form
    139,954,580.40/209,931,870.60 = 89,062,215.60/x
  3. Step 3: Cross multiply
    139,954,580.40x = 209,931,870.60 × 89,062,215.60
  4. Step 4: Simplify right side
    139,954,580.40x = 18,696,997,520,688,500
  5. Step 5: Solve for x
    x = 18,696,997,520,688,500/139,954,580.40
  6. Step 6: Final answer
    x = 133,593,323.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.