Home / 210,316,856.80-315,475,285.20-174,485,048.80

Finding the Fourth Proportional to 210,316,856.80, 315,475,285.20 and 174,485,048.80

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Solution

The fourth proportional to 210,316,856.80, 315,475,285.20 and 174,485,048.80 is: 261,727,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,316,856.80 : 315,475,285.20 = 174,485,048.80 : x
  2. Step 2: Convert to fraction form
    210,316,856.80/315,475,285.20 = 174,485,048.80/x
  3. Step 3: Cross multiply
    210,316,856.80x = 315,475,285.20 × 174,485,048.80
  4. Step 4: Simplify right side
    210,316,856.80x = 55,045,720,533,315,920
  5. Step 5: Solve for x
    x = 55,045,720,533,315,920/210,316,856.80
  6. Step 6: Final answer
    x = 261,727,573.20

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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.