Home / 68,170,116.40-94,077,081.87-40,316,703.10

Finding the Fourth Proportional to 68,170,116.40, 94,077,081.87 and 40,316,703.10

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Solution

The fourth proportional to 68,170,116.40, 94,077,081.87 and 40,316,703.10 is: 55,638,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170,116.40 : 94,077,081.87 = 40,316,703.10 : x
  2. Step 2: Convert to fraction form
    68,170,116.40/94,077,081.87 = 40,316,703.10/x
  3. Step 3: Cross multiply
    68,170,116.40x = 94,077,081.87 × 40,316,703.10
  4. Step 4: Simplify right side
    68,170,116.40x = 3,792,877,778,267,183
  5. Step 5: Solve for x
    x = 3,792,877,778,267,183/68,170,116.40
  6. Step 6: Final answer
    x = 55,638,423.09

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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.