Home / 91,570,176,143.40-137,355,264,215.10-76,876,895,375.40

Finding the Fourth Proportional to 91,570,176,143.40, 137,355,264,215.10 and 76,876,895,375.40

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Solution

The fourth proportional to 91,570,176,143.40, 137,355,264,215.10 and 76,876,895,375.40 is: 115,315,343,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,570,176,143.40 : 137,355,264,215.10 = 76,876,895,375.40 : x
  2. Step 2: Convert to fraction form
    91,570,176,143.40/137,355,264,215.10 = 76,876,895,375.40/x
  3. Step 3: Cross multiply
    91,570,176,143.40x = 137,355,264,215.10 × 76,876,895,375.40
  4. Step 4: Simplify right side
    91,570,176,143.40x = 10,559,446,276,324,666,114,048
  5. Step 5: Solve for x
    x = 10,559,446,276,324,666,114,048/91,570,176,143.40
  6. Step 6: Final answer
    x = 115,315,343,063.10

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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.