Home / 290,133,077.10-434,821,702.05-117,468,552.30

Finding the Fourth Proportional to 290,133,077.10, 434,821,702.05 and 117,468,552.30

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Solution

The fourth proportional to 290,133,077.10, 434,821,702.05 and 117,468,552.30 is: 176,049,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,133,077.10 : 434,821,702.05 = 117,468,552.30 : x
  2. Step 2: Convert to fraction form
    290,133,077.10/434,821,702.05 = 117,468,552.30/x
  3. Step 3: Cross multiply
    290,133,077.10x = 434,821,702.05 × 117,468,552.30
  4. Step 4: Simplify right side
    290,133,077.10x = 51,077,875,848,435,440
  5. Step 5: Solve for x
    x = 51,077,875,848,435,440/290,133,077.10
  6. Step 6: Final answer
    x = 176,049,819.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.