Home / 155,753,598.84-214,938,224.88-85,191,236.40

Finding the Fourth Proportional to 155,753,598.84, 214,938,224.88 and 85,191,236.40

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Solution

The fourth proportional to 155,753,598.84, 214,938,224.88 and 85,191,236.40 is: 117,562,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,753,598.84 : 214,938,224.88 = 85,191,236.40 : x
  2. Step 2: Convert to fraction form
    155,753,598.84/214,938,224.88 = 85,191,236.40/x
  3. Step 3: Cross multiply
    155,753,598.84x = 214,938,224.88 × 85,191,236.40
  4. Step 4: Simplify right side
    155,753,598.84x = 18,310,853,127,148,444
  5. Step 5: Solve for x
    x = 18,310,853,127,148,444/155,753,598.84
  6. Step 6: Final answer
    x = 117,562,953.69

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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.