Home / 147,559,709.23-203,650,352.46-85,680,045.97

Finding the Fourth Proportional to 147,559,709.23, 203,650,352.46 and 85,680,045.97

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Solution

The fourth proportional to 147,559,709.23, 203,650,352.46 and 85,680,045.97 is: 118,248,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,559,709.23 : 203,650,352.46 = 85,680,045.97 : x
  2. Step 2: Convert to fraction form
    147,559,709.23/203,650,352.46 = 85,680,045.97/x
  3. Step 3: Cross multiply
    147,559,709.23x = 203,650,352.46 × 85,680,045.97
  4. Step 4: Simplify right side
    147,559,709.23x = 17,448,771,560,070,378
  5. Step 5: Solve for x
    x = 17,448,771,560,070,378/147,559,709.23
  6. Step 6: Final answer
    x = 118,248,888.21

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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.