Home / 142,209,668.34-213,314,502.56-39,973,705.96

Finding the Fourth Proportional to 142,209,668.34, 213,314,502.56 and 39,973,705.96

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Solution

The fourth proportional to 142,209,668.34, 213,314,502.56 and 39,973,705.96 is: 59,960,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,209,668.34 : 213,314,502.56 = 39,973,705.96 : x
  2. Step 2: Convert to fraction form
    142,209,668.34/213,314,502.56 = 39,973,705.96/x
  3. Step 3: Cross multiply
    142,209,668.34x = 213,314,502.56 × 39,973,705.96
  4. Step 4: Simplify right side
    142,209,668.34x = 8,526,971,202,337,108
  5. Step 5: Solve for x
    x = 8,526,971,202,337,108/142,209,668.34
  6. Step 6: Final answer
    x = 59,960,558.95

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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.