Home / 118,719,401.80-178,079,102.70-42,050,180.20

Finding the Fourth Proportional to 118,719,401.80, 178,079,102.70 and 42,050,180.20

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Solution

The fourth proportional to 118,719,401.80, 178,079,102.70 and 42,050,180.20 is: 63,075,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,719,401.80 : 178,079,102.70 = 42,050,180.20 : x
  2. Step 2: Convert to fraction form
    118,719,401.80/178,079,102.70 = 42,050,180.20/x
  3. Step 3: Cross multiply
    118,719,401.80x = 178,079,102.70 × 42,050,180.20
  4. Step 4: Simplify right side
    118,719,401.80x = 7,488,258,358,389,307
  5. Step 5: Solve for x
    x = 7,488,258,358,389,307/118,719,401.80
  6. Step 6: Final answer
    x = 63,075,270.30

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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.