Home / 56,108,123.20-84,164,809.20-17,772,637.60

Finding the Fourth Proportional to 56,108,123.20, 84,164,809.20 and 17,772,637.60

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Solution

The fourth proportional to 56,108,123.20, 84,164,809.20 and 17,772,637.60 is: 26,659,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,108,123.20 : 84,164,809.20 = 17,772,637.60 : x
  2. Step 2: Convert to fraction form
    56,108,123.20/84,164,809.20 = 17,772,637.60/x
  3. Step 3: Cross multiply
    56,108,123.20x = 84,164,809.20 × 17,772,637.60
  4. Step 4: Simplify right side
    56,108,123.20x = 1,495,830,652,584,746
  5. Step 5: Solve for x
    x = 1,495,830,652,584,746/56,108,123.20
  6. Step 6: Final answer
    x = 26,659,787.70

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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.