Home / 362,897,030.40-543,997,180.80-120,435,129.60

Finding the Fourth Proportional to 362,897,030.40, 543,997,180.80 and 120,435,129.60

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Solution

The fourth proportional to 362,897,030.40, 543,997,180.80 and 120,435,129.60 is: 180,537,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,897,030.40 : 543,997,180.80 = 120,435,129.60 : x
  2. Step 2: Convert to fraction form
    362,897,030.40/543,997,180.80 = 120,435,129.60/x
  3. Step 3: Cross multiply
    362,897,030.40x = 543,997,180.80 × 120,435,129.60
  4. Step 4: Simplify right side
    362,897,030.40x = 65,516,370,971,682,624
  5. Step 5: Solve for x
    x = 65,516,370,971,682,624/362,897,030.40
  6. Step 6: Final answer
    x = 180,537,082.10

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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.