Home / 89,574,495.34-123,549,128.32-59,790,126.78

Finding the Fourth Proportional to 89,574,495.34, 123,549,128.32 and 59,790,126.78

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Solution

The fourth proportional to 89,574,495.34, 123,549,128.32 and 59,790,126.78 is: 82,467,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,574,495.34 : 123,549,128.32 = 59,790,126.78 : x
  2. Step 2: Convert to fraction form
    89,574,495.34/123,549,128.32 = 59,790,126.78/x
  3. Step 3: Cross multiply
    89,574,495.34x = 123,549,128.32 × 59,790,126.78
  4. Step 4: Simplify right side
    89,574,495.34x = 7,387,018,045,811,288
  5. Step 5: Solve for x
    x = 7,387,018,045,811,288/89,574,495.34
  6. Step 6: Final answer
    x = 82,467,872.33

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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.