Home / 216,767,964.51-299,140,087.20-117,648,713.39

Finding the Fourth Proportional to 216,767,964.51, 299,140,087.20 and 117,648,713.39

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Solution

The fourth proportional to 216,767,964.51, 299,140,087.20 and 117,648,713.39 is: 162,355,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,767,964.51 : 299,140,087.20 = 117,648,713.39 : x
  2. Step 2: Convert to fraction form
    216,767,964.51/299,140,087.20 = 117,648,713.39/x
  3. Step 3: Cross multiply
    216,767,964.51x = 299,140,087.20 × 117,648,713.39
  4. Step 4: Simplify right side
    216,767,964.51x = 35,193,446,380,516,700
  5. Step 5: Solve for x
    x = 35,193,446,380,516,700/216,767,964.51
  6. Step 6: Final answer
    x = 162,355,385.22

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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.