Home / 210,922,655.98-316,268,392.58-65,315,793.54

Finding the Fourth Proportional to 210,922,655.98, 316,268,392.58 and 65,315,793.54

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Solution

The fourth proportional to 210,922,655.98, 316,268,392.58 and 65,315,793.54 is: 97,937,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,922,655.98 : 316,268,392.58 = 65,315,793.54 : x
  2. Step 2: Convert to fraction form
    210,922,655.98/316,268,392.58 = 65,315,793.54/x
  3. Step 3: Cross multiply
    210,922,655.98x = 316,268,392.58 × 65,315,793.54
  4. Step 4: Simplify right side
    210,922,655.98x = 20,657,321,032,982,948
  5. Step 5: Solve for x
    x = 20,657,321,032,982,948/210,922,655.98
  6. Step 6: Final answer
    x = 97,937,895.47

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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.