Home / 21,837,243,931.20-32,755,865,896.80-20,980,135,886.40

Finding the Fourth Proportional to 21,837,243,931.20, 32,755,865,896.80 and 20,980,135,886.40

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Solution

The fourth proportional to 21,837,243,931.20, 32,755,865,896.80 and 20,980,135,886.40 is: 31,470,203,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837,243,931.20 : 32,755,865,896.80 = 20,980,135,886.40 : x
  2. Step 2: Convert to fraction form
    21,837,243,931.20/32,755,865,896.80 = 20,980,135,886.40/x
  3. Step 3: Cross multiply
    21,837,243,931.20x = 32,755,865,896.80 × 20,980,135,886.40
  4. Step 4: Simplify right side
    21,837,243,931.20x = 687,222,517,591,559,634,944
  5. Step 5: Solve for x
    x = 687,222,517,591,559,634,944/21,837,243,931.20
  6. Step 6: Final answer
    x = 31,470,203,829.60

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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.