Home / 155,753,599.84-214,938,226.26-85,191,237.40

Finding the Fourth Proportional to 155,753,599.84, 214,938,226.26 and 85,191,237.40

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Solution

The fourth proportional to 155,753,599.84, 214,938,226.26 and 85,191,237.40 is: 117,562,955.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,753,599.84 : 214,938,226.26 = 85,191,237.40 : x
  2. Step 2: Convert to fraction form
    155,753,599.84/214,938,226.26 = 85,191,237.40/x
  3. Step 3: Cross multiply
    155,753,599.84x = 214,938,226.26 × 85,191,237.40
  4. Step 4: Simplify right side
    155,753,599.84x = 18,310,853,459,650,576
  5. Step 5: Solve for x
    x = 18,310,853,459,650,576/155,753,599.84
  6. Step 6: Final answer
    x = 117,562,955.07

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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.