Home / 81,368,289.82-112,317,705.03-53,875,075.42

Finding the Fourth Proportional to 81,368,289.82, 112,317,705.03 and 53,875,075.42

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Solution

The fourth proportional to 81,368,289.82, 112,317,705.03 and 53,875,075.42 is: 74,367,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,368,289.82 : 112,317,705.03 = 53,875,075.42 : x
  2. Step 2: Convert to fraction form
    81,368,289.82/112,317,705.03 = 53,875,075.42/x
  3. Step 3: Cross multiply
    81,368,289.82x = 112,317,705.03 × 53,875,075.42
  4. Step 4: Simplify right side
    81,368,289.82x = 6,051,124,829,492,564
  5. Step 5: Solve for x
    x = 6,051,124,829,492,564/81,368,289.82
  6. Step 6: Final answer
    x = 74,367,113.32

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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.