Home / 249,042,937.60-372,556,636.80-218,809,849.60

Finding the Fourth Proportional to 249,042,937.60, 372,556,636.80 and 218,809,849.60

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Solution

The fourth proportional to 249,042,937.60, 372,556,636.80 and 218,809,849.60 is: 327,329,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,042,937.60 : 372,556,636.80 = 218,809,849.60 : x
  2. Step 2: Convert to fraction form
    249,042,937.60/372,556,636.80 = 218,809,849.60/x
  3. Step 3: Cross multiply
    249,042,937.60x = 372,556,636.80 × 218,809,849.60
  4. Step 4: Simplify right side
    249,042,937.60x = 81,519,061,665,689,824
  5. Step 5: Solve for x
    x = 81,519,061,665,689,824/249,042,937.60
  6. Step 6: Final answer
    x = 327,329,345.10

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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.