Home / 292,473,699.53-438,710,522.66-128,711,456.04

Finding the Fourth Proportional to 292,473,699.53, 438,710,522.66 and 128,711,456.04

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Solution

The fourth proportional to 292,473,699.53, 438,710,522.66 and 128,711,456.04 is: 193,067,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,473,699.53 : 438,710,522.66 = 128,711,456.04 : x
  2. Step 2: Convert to fraction form
    292,473,699.53/438,710,522.66 = 128,711,456.04/x
  3. Step 3: Cross multiply
    292,473,699.53x = 438,710,522.66 × 128,711,456.04
  4. Step 4: Simplify right side
    292,473,699.53x = 56,467,070,151,638,024
  5. Step 5: Solve for x
    x = 56,467,070,151,638,024/292,473,699.53
  6. Step 6: Final answer
    x = 193,067,172.34

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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.