Home / 209,307,475.48-288,844,316.90-116,509,905.32

Finding the Fourth Proportional to 209,307,475.48, 288,844,316.90 and 116,509,905.32

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Solution

The fourth proportional to 209,307,475.48, 288,844,316.90 and 116,509,905.32 is: 160,783,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,307,475.48 : 288,844,316.90 = 116,509,905.32 : x
  2. Step 2: Convert to fraction form
    209,307,475.48/288,844,316.90 = 116,509,905.32/x
  3. Step 3: Cross multiply
    209,307,475.48x = 288,844,316.90 × 116,509,905.32
  4. Step 4: Simplify right side
    209,307,475.48x = 33,653,224,014,239,072
  5. Step 5: Solve for x
    x = 33,653,224,014,239,072/209,307,475.48
  6. Step 6: Final answer
    x = 160,783,669.75

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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.