Home / 185,891,398.66-256,533,428.73-103,385,219.86

Finding the Fourth Proportional to 185,891,398.66, 256,533,428.73 and 103,385,219.86

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Solution

The fourth proportional to 185,891,398.66, 256,533,428.73 and 103,385,219.86 is: 142,673,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,891,398.66 : 256,533,428.73 = 103,385,219.86 : x
  2. Step 2: Convert to fraction form
    185,891,398.66/256,533,428.73 = 103,385,219.86/x
  3. Step 3: Cross multiply
    185,891,398.66x = 256,533,428.73 × 103,385,219.86
  4. Step 4: Simplify right side
    185,891,398.66x = 26,521,764,930,690,688
  5. Step 5: Solve for x
    x = 26,521,764,930,690,688/185,891,398.66
  6. Step 6: Final answer
    x = 142,673,437.94

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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.