Home / 85,518,836.54-128,265,293.67-23,275,001.29

Finding the Fourth Proportional to 85,518,836.54, 128,265,293.67 and 23,275,001.29

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Solution

The fourth proportional to 85,518,836.54, 128,265,293.67 and 23,275,001.29 is: 34,908,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,518,836.54 : 128,265,293.67 = 23,275,001.29 : x
  2. Step 2: Convert to fraction form
    85,518,836.54/128,265,293.67 = 23,275,001.29/x
  3. Step 3: Cross multiply
    85,518,836.54x = 128,265,293.67 × 23,275,001.29
  4. Step 4: Simplify right side
    85,518,836.54x = 2,985,374,875,791,810.50
  5. Step 5: Solve for x
    x = 2,985,374,875,791,810.50/85,518,836.54
  6. Step 6: Final answer
    x = 34,908,974.40

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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.