Home / 292,473,705.03-438,710,530.91-128,711,461.54

Finding the Fourth Proportional to 292,473,705.03, 438,710,530.91 and 128,711,461.54

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Solution

The fourth proportional to 292,473,705.03, 438,710,530.91 and 128,711,461.54 is: 193,067,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,473,705.03 : 438,710,530.91 = 128,711,461.54 : x
  2. Step 2: Convert to fraction form
    292,473,705.03/438,710,530.91 = 128,711,461.54/x
  3. Step 3: Cross multiply
    292,473,705.03x = 438,710,530.91 × 128,711,461.54
  4. Step 4: Simplify right side
    292,473,705.03x = 56,467,073,626,415,456
  5. Step 5: Solve for x
    x = 56,467,073,626,415,456/292,473,705.03
  6. Step 6: Final answer
    x = 193,067,180.59

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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.