Home / 56,955,393.35-78,598,445.45-30,849,911.13

Finding the Fourth Proportional to 56,955,393.35, 78,598,445.45 and 30,849,911.13

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Solution

The fourth proportional to 56,955,393.35, 78,598,445.45 and 30,849,911.13 is: 42,572,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955,393.35 : 78,598,445.45 = 30,849,911.13 : x
  2. Step 2: Convert to fraction form
    56,955,393.35/78,598,445.45 = 30,849,911.13/x
  3. Step 3: Cross multiply
    56,955,393.35x = 78,598,445.45 × 30,849,911.13
  4. Step 4: Simplify right side
    56,955,393.35x = 2,424,755,056,934,403
  5. Step 5: Solve for x
    x = 2,424,755,056,934,403/56,955,393.35
  6. Step 6: Final answer
    x = 42,572,878.78

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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.