Home / 74,036,851.80-102,170,145.36-42,663,374.52

Finding the Fourth Proportional to 74,036,851.80, 102,170,145.36 and 42,663,374.52

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Solution

The fourth proportional to 74,036,851.80, 102,170,145.36 and 42,663,374.52 is: 58,875,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,036,851.80 : 102,170,145.36 = 42,663,374.52 : x
  2. Step 2: Convert to fraction form
    74,036,851.80/102,170,145.36 = 42,663,374.52/x
  3. Step 3: Cross multiply
    74,036,851.80x = 102,170,145.36 × 42,663,374.52
  4. Step 4: Simplify right side
    74,036,851.80x = 4,358,923,176,256,520.50
  5. Step 5: Solve for x
    x = 4,358,923,176,256,520.50/74,036,851.80
  6. Step 6: Final answer
    x = 58,875,047.63

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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.