Home / 142,209,670.71-213,314,506.12-39,973,708.34

Finding the Fourth Proportional to 142,209,670.71, 213,314,506.12 and 39,973,708.34

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Solution

The fourth proportional to 142,209,670.71, 213,314,506.12 and 39,973,708.34 is: 59,960,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,209,670.71 : 213,314,506.12 = 39,973,708.34 : x
  2. Step 2: Convert to fraction form
    142,209,670.71/213,314,506.12 = 39,973,708.34/x
  3. Step 3: Cross multiply
    142,209,670.71x = 213,314,506.12 × 39,973,708.34
  4. Step 4: Simplify right side
    142,209,670.71x = 8,526,971,852,115,748
  5. Step 5: Solve for x
    x = 8,526,971,852,115,748/142,209,670.71
  6. Step 6: Final answer
    x = 59,960,562.52

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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.