Home / 235,438,886.67-324,903,085.31-129,590,038.91

Finding the Fourth Proportional to 235,438,886.67, 324,903,085.31 and 129,590,038.91

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Solution

The fourth proportional to 235,438,886.67, 324,903,085.31 and 129,590,038.91 is: 178,832,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,438,886.67 : 324,903,085.31 = 129,590,038.91 : x
  2. Step 2: Convert to fraction form
    235,438,886.67/324,903,085.31 = 129,590,038.91/x
  3. Step 3: Cross multiply
    235,438,886.67x = 324,903,085.31 × 129,590,038.91
  4. Step 4: Simplify right side
    235,438,886.67x = 42,104,203,465,029,488
  5. Step 5: Solve for x
    x = 42,104,203,465,029,488/235,438,886.67
  6. Step 6: Final answer
    x = 178,832,834.54

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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.