Home / 21,730,189,681.30-32,595,284,521.95-18,243,405,280.30

Finding the Fourth Proportional to 21,730,189,681.30, 32,595,284,521.95 and 18,243,405,280.30

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Solution

The fourth proportional to 21,730,189,681.30, 32,595,284,521.95 and 18,243,405,280.30 is: 27,365,107,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,189,681.30 : 32,595,284,521.95 = 18,243,405,280.30 : x
  2. Step 2: Convert to fraction form
    21,730,189,681.30/32,595,284,521.95 = 18,243,405,280.30/x
  3. Step 3: Cross multiply
    21,730,189,681.30x = 32,595,284,521.95 × 18,243,405,280.30
  4. Step 4: Simplify right side
    21,730,189,681.30x = 594,648,985,760,623,493,120
  5. Step 5: Solve for x
    x = 594,648,985,760,623,493,120/21,730,189,681.30
  6. Step 6: Final answer
    x = 27,365,107,920.45

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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.