Home / 210,922,658.98-316,268,397.08-65,315,796.54

Finding the Fourth Proportional to 210,922,658.98, 316,268,397.08 and 65,315,796.54

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Solution

The fourth proportional to 210,922,658.98, 316,268,397.08 and 65,315,796.54 is: 97,937,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,922,658.98 : 316,268,397.08 = 65,315,796.54 : x
  2. Step 2: Convert to fraction form
    210,922,658.98/316,268,397.08 = 65,315,796.54/x
  3. Step 3: Cross multiply
    210,922,658.98x = 316,268,397.08 × 65,315,796.54
  4. Step 4: Simplify right side
    210,922,658.98x = 20,657,322,275,709,208
  5. Step 5: Solve for x
    x = 20,657,322,275,709,208/210,922,658.98
  6. Step 6: Final answer
    x = 97,937,899.97

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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.