Home / 149,898,899.79-206,859,312.54-83,819,525.85

Finding the Fourth Proportional to 149,898,899.79, 206,859,312.54 and 83,819,525.85

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Solution

The fourth proportional to 149,898,899.79, 206,859,312.54 and 83,819,525.85 is: 115,670,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,898,899.79 : 206,859,312.54 = 83,819,525.85 : x
  2. Step 2: Convert to fraction form
    149,898,899.79/206,859,312.54 = 83,819,525.85/x
  3. Step 3: Cross multiply
    149,898,899.79x = 206,859,312.54 × 83,819,525.85
  4. Step 4: Simplify right side
    149,898,899.79x = 17,338,849,494,759,758
  5. Step 5: Solve for x
    x = 17,338,849,494,759,758/149,898,899.79
  6. Step 6: Final answer
    x = 115,670,291.90

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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.