Home / 140,189,071.40-210,283,607.10-99,374,402.60

Finding the Fourth Proportional to 140,189,071.40, 210,283,607.10 and 99,374,402.60

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Solution

The fourth proportional to 140,189,071.40, 210,283,607.10 and 99,374,402.60 is: 149,061,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,189,071.40 : 210,283,607.10 = 99,374,402.60 : x
  2. Step 2: Convert to fraction form
    140,189,071.40/210,283,607.10 = 99,374,402.60/x
  3. Step 3: Cross multiply
    140,189,071.40x = 210,283,607.10 × 99,374,402.60
  4. Step 4: Simplify right side
    140,189,071.40x = 20,896,807,832,135,616
  5. Step 5: Solve for x
    x = 20,896,807,832,135,616/140,189,071.40
  6. Step 6: Final answer
    x = 149,061,603.90

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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.