Home / 163,817,491.41-245,727,151.65-54,642,361.23

Finding the Fourth Proportional to 163,817,491.41, 245,727,151.65 and 54,642,361.23

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Solution

The fourth proportional to 163,817,491.41, 245,727,151.65 and 54,642,361.23 is: 81,963,846.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,817,491.41 : 245,727,151.65 = 54,642,361.23 : x
  2. Step 2: Convert to fraction form
    163,817,491.41/245,727,151.65 = 54,642,361.23/x
  3. Step 3: Cross multiply
    163,817,491.41x = 245,727,151.65 × 54,642,361.23
  4. Step 4: Simplify right side
    163,817,491.41x = 13,427,111,784,478,290
  5. Step 5: Solve for x
    x = 13,427,111,784,478,290/163,817,491.41
  6. Step 6: Final answer
    x = 81,963,846.89

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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.