Home / 103,589,222.40-155,446,041.60-42,998,630.40

Finding the Fourth Proportional to 103,589,222.40, 155,446,041.60 and 42,998,630.40

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Solution

The fourth proportional to 103,589,222.40, 155,446,041.60 and 42,998,630.40 is: 64,523,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,589,222.40 : 155,446,041.60 = 42,998,630.40 : x
  2. Step 2: Convert to fraction form
    103,589,222.40/155,446,041.60 = 42,998,630.40/x
  3. Step 3: Cross multiply
    103,589,222.40x = 155,446,041.60 × 42,998,630.40
  4. Step 4: Simplify right side
    103,589,222.40x = 6,683,966,889,901,424
  5. Step 5: Solve for x
    x = 6,683,966,889,901,424/103,589,222.40
  6. Step 6: Final answer
    x = 64,523,767.39

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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.