Home / 201,852,368.61-278,556,380.64-109,032,876.96

Finding the Fourth Proportional to 201,852,368.61, 278,556,380.64 and 109,032,876.96

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Solution

The fourth proportional to 201,852,368.61, 278,556,380.64 and 109,032,876.96 is: 150,465,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,368.61 : 278,556,380.64 = 109,032,876.96 : x
  2. Step 2: Convert to fraction form
    201,852,368.61/278,556,380.64 = 109,032,876.96/x
  3. Step 3: Cross multiply
    201,852,368.61x = 278,556,380.64 × 109,032,876.96
  4. Step 4: Simplify right side
    201,852,368.61x = 30,371,803,576,744,044
  5. Step 5: Solve for x
    x = 30,371,803,576,744,044/201,852,368.61
  6. Step 6: Final answer
    x = 150,465,430.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.