Home / 207,729,437.76-286,638,553.44-118,432,903.68

Finding the Fourth Proportional to 207,729,437.76, 286,638,553.44 and 118,432,903.68

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Solution

The fourth proportional to 207,729,437.76, 286,638,553.44 and 118,432,903.68 is: 163,421,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,729,437.76 : 286,638,553.44 = 118,432,903.68 : x
  2. Step 2: Convert to fraction form
    207,729,437.76/286,638,553.44 = 118,432,903.68/x
  3. Step 3: Cross multiply
    207,729,437.76x = 286,638,553.44 × 118,432,903.68
  4. Step 4: Simplify right side
    207,729,437.76x = 33,947,436,190,534,056
  5. Step 5: Solve for x
    x = 33,947,436,190,534,056/207,729,437.76
  6. Step 6: Final answer
    x = 163,421,403.13

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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.