Home / 74,343,384.41-102,587,848.34-42,983,447.40

Finding the Fourth Proportional to 74,343,384.41, 102,587,848.34 and 42,983,447.40

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Solution

The fourth proportional to 74,343,384.41, 102,587,848.34 and 42,983,447.40 is: 59,313,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,343,384.41 : 102,587,848.34 = 42,983,447.40 : x
  2. Step 2: Convert to fraction form
    74,343,384.41/102,587,848.34 = 42,983,447.40/x
  3. Step 3: Cross multiply
    74,343,384.41x = 102,587,848.34 × 42,983,447.40
  4. Step 4: Simplify right side
    74,343,384.41x = 4,409,579,382,786,649.50
  5. Step 5: Solve for x
    x = 4,409,579,382,786,649.50/74,343,384.41
  6. Step 6: Final answer
    x = 59,313,675.56

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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.