Home / 85,835,322.30-128,752,983.45-58,625,543.10

Finding the Fourth Proportional to 85,835,322.30, 128,752,983.45 and 58,625,543.10

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Solution

The fourth proportional to 85,835,322.30, 128,752,983.45 and 58,625,543.10 is: 87,938,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,835,322.30 : 128,752,983.45 = 58,625,543.10 : x
  2. Step 2: Convert to fraction form
    85,835,322.30/128,752,983.45 = 58,625,543.10/x
  3. Step 3: Cross multiply
    85,835,322.30x = 128,752,983.45 × 58,625,543.10
  4. Step 4: Simplify right side
    85,835,322.30x = 7,548,213,580,501,562
  5. Step 5: Solve for x
    x = 7,548,213,580,501,562/85,835,322.30
  6. Step 6: Final answer
    x = 87,938,314.65

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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.