Home / 139,582,938.10-209,277,449.22-61,817,465.74

Finding the Fourth Proportional to 139,582,938.10, 209,277,449.22 and 61,817,465.74

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Solution

The fourth proportional to 139,582,938.10, 209,277,449.22 and 61,817,465.74 is: 92,683,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,582,938.10 : 209,277,449.22 = 61,817,465.74 : x
  2. Step 2: Convert to fraction form
    139,582,938.10/209,277,449.22 = 61,817,465.74/x
  3. Step 3: Cross multiply
    139,582,938.10x = 209,277,449.22 × 61,817,465.74
  4. Step 4: Simplify right side
    139,582,938.10x = 12,937,001,546,265,552
  5. Step 5: Solve for x
    x = 12,937,001,546,265,552/139,582,938.10
  6. Step 6: Final answer
    x = 92,683,258.59

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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.