Home / 74,343,385.41-102,587,849.71-42,983,448.40

Finding the Fourth Proportional to 74,343,385.41, 102,587,849.71 and 42,983,448.40

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Solution

The fourth proportional to 74,343,385.41, 102,587,849.71 and 42,983,448.40 is: 59,313,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,343,385.41 : 102,587,849.71 = 42,983,448.40 : x
  2. Step 2: Convert to fraction form
    74,343,385.41/102,587,849.71 = 42,983,448.40/x
  3. Step 3: Cross multiply
    74,343,385.41x = 102,587,849.71 × 42,983,448.40
  4. Step 4: Simplify right side
    74,343,385.41x = 4,409,579,544,476,739.50
  5. Step 5: Solve for x
    x = 4,409,579,544,476,739.50/74,343,385.41
  6. Step 6: Final answer
    x = 59,313,676.94

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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.