Home / 118,334,448.81-163,298,406.51-66,123,913.50

Finding the Fourth Proportional to 118,334,448.81, 163,298,406.51 and 66,123,913.50

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Solution

The fourth proportional to 118,334,448.81, 163,298,406.51 and 66,123,913.50 is: 91,249,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,334,448.81 : 163,298,406.51 = 66,123,913.50 : x
  2. Step 2: Convert to fraction form
    118,334,448.81/163,298,406.51 = 66,123,913.50/x
  3. Step 3: Cross multiply
    118,334,448.81x = 163,298,406.51 × 66,123,913.50
  4. Step 4: Simplify right side
    118,334,448.81x = 10,797,929,706,755,076
  5. Step 5: Solve for x
    x = 10,797,929,706,755,076/118,334,448.81
  6. Step 6: Final answer
    x = 91,249,250.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.