Home / 131,004,030.40-196,506,045.60-82,536,611.20

Finding the Fourth Proportional to 131,004,030.40, 196,506,045.60 and 82,536,611.20

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Solution

The fourth proportional to 131,004,030.40, 196,506,045.60 and 82,536,611.20 is: 123,804,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,004,030.40 : 196,506,045.60 = 82,536,611.20 : x
  2. Step 2: Convert to fraction form
    131,004,030.40/196,506,045.60 = 82,536,611.20/x
  3. Step 3: Cross multiply
    131,004,030.40x = 196,506,045.60 × 82,536,611.20
  4. Step 4: Simplify right side
    131,004,030.40x = 16,218,943,084,136,670
  5. Step 5: Solve for x
    x = 16,218,943,084,136,670/131,004,030.40
  6. Step 6: Final answer
    x = 123,804,916.80

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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.