Home / 122,212,433.30-168,657,592.74-70,011,557.78

Finding the Fourth Proportional to 122,212,433.30, 168,657,592.74 and 70,011,557.78

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Solution

The fourth proportional to 122,212,433.30, 168,657,592.74 and 70,011,557.78 is: 96,618,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,212,433.30 : 168,657,592.74 = 70,011,557.78 : x
  2. Step 2: Convert to fraction form
    122,212,433.30/168,657,592.74 = 70,011,557.78/x
  3. Step 3: Cross multiply
    122,212,433.30x = 168,657,592.74 × 70,011,557.78
  4. Step 4: Simplify right side
    122,212,433.30x = 11,807,980,799,152,220
  5. Step 5: Solve for x
    x = 11,807,980,799,152,220/122,212,433.30
  6. Step 6: Final answer
    x = 96,618,490.28

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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.