Home / 68,170,071.04-94,077,019.47-40,316,657.74

Finding the Fourth Proportional to 68,170,071.04, 94,077,019.47 and 40,316,657.74

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Solution

The fourth proportional to 68,170,071.04, 94,077,019.47 and 40,316,657.74 is: 55,638,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170,071.04 : 94,077,019.47 = 40,316,657.74 : x
  2. Step 2: Convert to fraction form
    68,170,071.04/94,077,019.47 = 40,316,657.74/x
  3. Step 3: Cross multiply
    68,170,071.04x = 94,077,019.47 × 40,316,657.74
  4. Step 4: Simplify right side
    68,170,071.04x = 3,792,870,995,171,306.50
  5. Step 5: Solve for x
    x = 3,792,870,995,171,306.50/68,170,071.04
  6. Step 6: Final answer
    x = 55,638,360.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.