Home / 210,316,847.80-315,475,271.70-174,485,039.80

Finding the Fourth Proportional to 210,316,847.80, 315,475,271.70 and 174,485,039.80

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Solution

The fourth proportional to 210,316,847.80, 315,475,271.70 and 174,485,039.80 is: 261,727,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,316,847.80 : 315,475,271.70 = 174,485,039.80 : x
  2. Step 2: Convert to fraction form
    210,316,847.80/315,475,271.70 = 174,485,039.80/x
  3. Step 3: Cross multiply
    210,316,847.80x = 315,475,271.70 × 174,485,039.80
  4. Step 4: Simplify right side
    210,316,847.80x = 55,045,715,338,490,312
  5. Step 5: Solve for x
    x = 55,045,715,338,490,312/210,316,847.80
  6. Step 6: Final answer
    x = 261,727,559.70

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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.