Home / 238,212,926.20-357,319,389.30-84,863,985.40

Finding the Fourth Proportional to 238,212,926.20, 357,319,389.30 and 84,863,985.40

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Solution

The fourth proportional to 238,212,926.20, 357,319,389.30 and 84,863,985.40 is: 127,295,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,212,926.20 : 357,319,389.30 = 84,863,985.40 : x
  2. Step 2: Convert to fraction form
    238,212,926.20/357,319,389.30 = 84,863,985.40/x
  3. Step 3: Cross multiply
    238,212,926.20x = 357,319,389.30 × 84,863,985.40
  4. Step 4: Simplify right side
    238,212,926.20x = 30,323,547,436,692,120
  5. Step 5: Solve for x
    x = 30,323,547,436,692,120/238,212,926.20
  6. Step 6: Final answer
    x = 127,295,978.10

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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.