Home / 71,075,653.81-106,619,987.04-19,957,328.17

Finding the Fourth Proportional to 71,075,653.81, 106,619,987.04 and 19,957,328.17

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Solution

The fourth proportional to 71,075,653.81, 106,619,987.04 and 19,957,328.17 is: 29,937,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075,653.81 : 106,619,987.04 = 19,957,328.17 : x
  2. Step 2: Convert to fraction form
    71,075,653.81/106,619,987.04 = 19,957,328.17/x
  3. Step 3: Cross multiply
    71,075,653.81x = 106,619,987.04 × 19,957,328.17
  4. Step 4: Simplify right side
    71,075,653.81x = 2,127,850,070,497,037
  5. Step 5: Solve for x
    x = 2,127,850,070,497,037/71,075,653.81
  6. Step 6: Final answer
    x = 29,937,819.16

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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.