Home / 147,559,711.44-203,650,355.40-85,680,048.12

Finding the Fourth Proportional to 147,559,711.44, 203,650,355.40 and 85,680,048.12

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Solution

The fourth proportional to 147,559,711.44, 203,650,355.40 and 85,680,048.12 is: 118,248,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,559,711.44 : 203,650,355.40 = 85,680,048.12 : x
  2. Step 2: Convert to fraction form
    147,559,711.44/203,650,355.40 = 85,680,048.12/x
  3. Step 3: Cross multiply
    147,559,711.44x = 203,650,355.40 × 85,680,048.12
  4. Step 4: Simplify right side
    147,559,711.44x = 17,448,772,250,327,104
  5. Step 5: Solve for x
    x = 17,448,772,250,327,104/147,559,711.44
  6. Step 6: Final answer
    x = 118,248,891.11

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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.