Home / 143,514,875.33-215,097,423.32-74,389,569.45

Finding the Fourth Proportional to 143,514,875.33, 215,097,423.32 and 74,389,569.45

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Solution

The fourth proportional to 143,514,875.33, 215,097,423.32 and 74,389,569.45 is: 111,493,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,514,875.33 : 215,097,423.32 = 74,389,569.45 : x
  2. Step 2: Convert to fraction form
    143,514,875.33/215,097,423.32 = 74,389,569.45/x
  3. Step 3: Cross multiply
    143,514,875.33x = 215,097,423.32 × 74,389,569.45
  4. Step 4: Simplify right side
    143,514,875.33x = 16,001,004,710,579,190
  5. Step 5: Solve for x
    x = 16,001,004,710,579,190/143,514,875.33
  6. Step 6: Final answer
    x = 111,493,701.78

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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.