Home / 67,880,430.90-93,678,079.35-40,004,317.62

Finding the Fourth Proportional to 67,880,430.90, 93,678,079.35 and 40,004,317.62

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Solution

The fourth proportional to 67,880,430.90, 93,678,079.35 and 40,004,317.62 is: 55,207,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,880,430.90 : 93,678,079.35 = 40,004,317.62 : x
  2. Step 2: Convert to fraction form
    67,880,430.90/93,678,079.35 = 40,004,317.62/x
  3. Step 3: Cross multiply
    67,880,430.90x = 93,678,079.35 × 40,004,317.62
  4. Step 4: Simplify right side
    67,880,430.90x = 3,747,527,640,348,962.50
  5. Step 5: Solve for x
    x = 3,747,527,640,348,962.50/67,880,430.90
  6. Step 6: Final answer
    x = 55,207,776.24

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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.