Home / 57,679,254.40-86,518,881.60-55,663,715.20

Finding the Fourth Proportional to 57,679,254.40, 86,518,881.60 and 55,663,715.20

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Solution

The fourth proportional to 57,679,254.40, 86,518,881.60 and 55,663,715.20 is: 83,495,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,679,254.40 : 86,518,881.60 = 55,663,715.20 : x
  2. Step 2: Convert to fraction form
    57,679,254.40/86,518,881.60 = 55,663,715.20/x
  3. Step 3: Cross multiply
    57,679,254.40x = 86,518,881.60 × 55,663,715.20
  4. Step 4: Simplify right side
    57,679,254.40x = 4,815,962,384,804,920
  5. Step 5: Solve for x
    x = 4,815,962,384,804,920/57,679,254.40
  6. Step 6: Final answer
    x = 83,495,572.80

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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.