Home / 74,025,615.90-102,158,541.81-40,985,864.04

Finding the Fourth Proportional to 74,025,615.90, 102,158,541.81 and 40,985,864.04

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Solution

The fourth proportional to 74,025,615.90, 102,158,541.81 and 40,985,864.04 is: 56,562,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,025,615.90 : 102,158,541.81 = 40,985,864.04 : x
  2. Step 2: Convert to fraction form
    74,025,615.90/102,158,541.81 = 40,985,864.04/x
  3. Step 3: Cross multiply
    74,025,615.90x = 102,158,541.81 × 40,985,864.04
  4. Step 4: Simplify right side
    74,025,615.90x = 4,187,056,105,149,315.50
  5. Step 5: Solve for x
    x = 4,187,056,105,149,315.50/74,025,615.90
  6. Step 6: Final answer
    x = 56,562,259.62

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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.