Home / 74,063,242-102,208,329.12-42,700,670.56

Finding the Fourth Proportional to 74,063,242, 102,208,329.12 and 42,700,670.56

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Solution

The fourth proportional to 74,063,242, 102,208,329.12 and 42,700,670.56 is: 58,927,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,063,242 : 102,208,329.12 = 42,700,670.56 : x
  2. Step 2: Convert to fraction form
    74,063,242/102,208,329.12 = 42,700,670.56/x
  3. Step 3: Cross multiply
    74,063,242x = 102,208,329.12 × 42,700,670.56
  4. Step 4: Simplify right side
    74,063,242x = 4,364,364,190,241,175
  5. Step 5: Solve for x
    x = 4,364,364,190,241,175/74,063,242
  6. Step 6: Final answer
    x = 58,927,533.72

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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.