Home / 245,862,883.67-339,310,127.39-140,020,779.42

Finding the Fourth Proportional to 245,862,883.67, 339,310,127.39 and 140,020,779.42

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Solution

The fourth proportional to 245,862,883.67, 339,310,127.39 and 140,020,779.42 is: 193,239,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,862,883.67 : 339,310,127.39 = 140,020,779.42 : x
  2. Step 2: Convert to fraction form
    245,862,883.67/339,310,127.39 = 140,020,779.42/x
  3. Step 3: Cross multiply
    245,862,883.67x = 339,310,127.39 × 140,020,779.42
  4. Step 4: Simplify right side
    245,862,883.67x = 47,510,468,501,547,184
  5. Step 5: Solve for x
    x = 47,510,468,501,547,184/245,862,883.67
  6. Step 6: Final answer
    x = 193,239,694.39

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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.