Home / 78,249,581.08-117,382,884.54-29,059,664.56

Finding the Fourth Proportional to 78,249,581.08, 117,382,884.54 and 29,059,664.56

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Solution

The fourth proportional to 78,249,581.08, 117,382,884.54 and 29,059,664.56 is: 43,592,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,249,581.08 : 117,382,884.54 = 29,059,664.56 : x
  2. Step 2: Convert to fraction form
    78,249,581.08/117,382,884.54 = 29,059,664.56/x
  3. Step 3: Cross multiply
    78,249,581.08x = 117,382,884.54 × 29,059,664.56
  4. Step 4: Simplify right side
    78,249,581.08x = 3,411,107,249,817,610
  5. Step 5: Solve for x
    x = 3,411,107,249,817,610/78,249,581.08
  6. Step 6: Final answer
    x = 43,592,658.30

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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.