Home / 159,866,172.16-220,591,835.94-89,293,088.32

Finding the Fourth Proportional to 159,866,172.16, 220,591,835.94 and 89,293,088.32

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Solution

The fourth proportional to 159,866,172.16, 220,591,835.94 and 89,293,088.32 is: 123,211,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,866,172.16 : 220,591,835.94 = 89,293,088.32 : x
  2. Step 2: Convert to fraction form
    159,866,172.16/220,591,835.94 = 89,293,088.32/x
  3. Step 3: Cross multiply
    159,866,172.16x = 220,591,835.94 × 89,293,088.32
  4. Step 4: Simplify right side
    159,866,172.16x = 19,697,326,289,261,368
  5. Step 5: Solve for x
    x = 19,697,326,289,261,368/159,866,172.16
  6. Step 6: Final answer
    x = 123,211,346.23

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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.