Home / 208,450,176.28-287,662,541.34-115,636,566.04

Finding the Fourth Proportional to 208,450,176.28, 287,662,541.34 and 115,636,566.04

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Solution

The fourth proportional to 208,450,176.28, 287,662,541.34 and 115,636,566.04 is: 159,579,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,450,176.28 : 287,662,541.34 = 115,636,566.04 : x
  2. Step 2: Convert to fraction form
    208,450,176.28/287,662,541.34 = 115,636,566.04/x
  3. Step 3: Cross multiply
    208,450,176.28x = 287,662,541.34 × 115,636,566.04
  4. Step 4: Simplify right side
    208,450,176.28x = 33,264,308,458,897,140
  5. Step 5: Solve for x
    x = 33,264,308,458,897,140/208,450,176.28
  6. Step 6: Final answer
    x = 159,579,181.23

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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.