Home / 292,390,080.36-438,274,971.54-136,812,810.12

Finding the Fourth Proportional to 292,390,080.36, 438,274,971.54 and 136,812,810.12

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Solution

The fourth proportional to 292,390,080.36, 438,274,971.54 and 136,812,810.12 is: 205,074,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,390,080.36 : 438,274,971.54 = 136,812,810.12 : x
  2. Step 2: Convert to fraction form
    292,390,080.36/438,274,971.54 = 136,812,810.12/x
  3. Step 3: Cross multiply
    292,390,080.36x = 438,274,971.54 × 136,812,810.12
  4. Step 4: Simplify right side
    292,390,080.36x = 59,961,630,461,650,432
  5. Step 5: Solve for x
    x = 59,961,630,461,650,432/292,390,080.36
  6. Step 6: Final answer
    x = 205,074,092.76

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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.