Home / 100,509,030.90-150,763,546.35-43,007,114.70

Finding the Fourth Proportional to 100,509,030.90, 150,763,546.35 and 43,007,114.70

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Solution

The fourth proportional to 100,509,030.90, 150,763,546.35 and 43,007,114.70 is: 64,510,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,509,030.90 : 150,763,546.35 = 43,007,114.70 : x
  2. Step 2: Convert to fraction form
    100,509,030.90/150,763,546.35 = 43,007,114.70/x
  3. Step 3: Cross multiply
    100,509,030.90x = 150,763,546.35 × 43,007,114.70
  4. Step 4: Simplify right side
    100,509,030.90x = 6,483,905,130,453,217
  5. Step 5: Solve for x
    x = 6,483,905,130,453,217/100,509,030.90
  6. Step 6: Final answer
    x = 64,510,672.05

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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.