Home / 108,742,331.32-163,062,926.28-39,607,005.82

Finding the Fourth Proportional to 108,742,331.32, 163,062,926.28 and 39,607,005.82

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Solution

The fourth proportional to 108,742,331.32, 163,062,926.28 and 39,607,005.82 is: 59,392,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,742,331.32 : 163,062,926.28 = 39,607,005.82 : x
  2. Step 2: Convert to fraction form
    108,742,331.32/163,062,926.28 = 39,607,005.82/x
  3. Step 3: Cross multiply
    108,742,331.32x = 163,062,926.28 × 39,607,005.82
  4. Step 4: Simplify right side
    108,742,331.32x = 6,458,434,270,198,191
  5. Step 5: Solve for x
    x = 6,458,434,270,198,191/108,742,331.32
  6. Step 6: Final answer
    x = 59,392,089.46

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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.