Home / 99,681,331.40-149,223,398.70-59,271,014.60

Finding the Fourth Proportional to 99,681,331.40, 149,223,398.70 and 59,271,014.60

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Solution

The fourth proportional to 99,681,331.40, 149,223,398.70 and 59,271,014.60 is: 88,728,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,681,331.40 : 149,223,398.70 = 59,271,014.60 : x
  2. Step 2: Convert to fraction form
    99,681,331.40/149,223,398.70 = 59,271,014.60/x
  3. Step 3: Cross multiply
    99,681,331.40x = 149,223,398.70 × 59,271,014.60
  4. Step 4: Simplify right side
    99,681,331.40x = 8,844,622,243,009,321
  5. Step 5: Solve for x
    x = 8,844,622,243,009,321/99,681,331.40
  6. Step 6: Final answer
    x = 88,728,973.81

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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.