Home / 210,026,245.80-315,039,368.76-56,672,056.20

Finding the Fourth Proportional to 210,026,245.80, 315,039,368.76 and 56,672,056.20

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Solution

The fourth proportional to 210,026,245.80, 315,039,368.76 and 56,672,056.20 is: 85,008,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,026,245.80 : 315,039,368.76 = 56,672,056.20 : x
  2. Step 2: Convert to fraction form
    210,026,245.80/315,039,368.76 = 56,672,056.20/x
  3. Step 3: Cross multiply
    210,026,245.80x = 315,039,368.76 × 56,672,056.20
  4. Step 4: Simplify right side
    210,026,245.80x = 17,853,928,811,579,244
  5. Step 5: Solve for x
    x = 17,853,928,811,579,244/210,026,245.80
  6. Step 6: Final answer
    x = 85,008,084.32

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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.