Home / 31,084,738,541.45-42,896,938,855.05-16,811,566,165.55

Finding the Fourth Proportional to 31,084,738,541.45, 42,896,938,855.05 and 16,811,566,165.55

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Solution

The fourth proportional to 31,084,738,541.45, 42,896,938,855.05 and 16,811,566,165.55 is: 23,199,961,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,084,738,541.45 : 42,896,938,855.05 = 16,811,566,165.55 : x
  2. Step 2: Convert to fraction form
    31,084,738,541.45/42,896,938,855.05 = 16,811,566,165.55/x
  3. Step 3: Cross multiply
    31,084,738,541.45x = 42,896,938,855.05 × 16,811,566,165.55
  4. Step 4: Simplify right side
    31,084,738,541.45x = 721,164,725,861,225,725,952
  5. Step 5: Solve for x
    x = 721,164,725,861,225,725,952/31,084,738,541.45
  6. Step 6: Final answer
    x = 23,199,961,128.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.