Home / 139,716,026.40-209,574,039.60-48,830,138.40

Finding the Fourth Proportional to 139,716,026.40, 209,574,039.60 and 48,830,138.40

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Solution

The fourth proportional to 139,716,026.40, 209,574,039.60 and 48,830,138.40 is: 73,245,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,716,026.40 : 209,574,039.60 = 48,830,138.40 : x
  2. Step 2: Convert to fraction form
    139,716,026.40/209,574,039.60 = 48,830,138.40/x
  3. Step 3: Cross multiply
    139,716,026.40x = 209,574,039.60 × 48,830,138.40
  4. Step 4: Simplify right side
    139,716,026.40x = 10,233,529,358,715,080
  5. Step 5: Solve for x
    x = 10,233,529,358,715,080/139,716,026.40
  6. Step 6: Final answer
    x = 73,245,207.60

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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.