Home / 74,179,698.78-102,354,448.83-42,806,302.29

Finding the Fourth Proportional to 74,179,698.78, 102,354,448.83 and 42,806,302.29

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Solution

The fourth proportional to 74,179,698.78, 102,354,448.83 and 42,806,302.29 is: 59,064,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,179,698.78 : 102,354,448.83 = 42,806,302.29 : x
  2. Step 2: Convert to fraction form
    74,179,698.78/102,354,448.83 = 42,806,302.29/x
  3. Step 3: Cross multiply
    74,179,698.78x = 102,354,448.83 × 42,806,302.29
  4. Step 4: Simplify right side
    74,179,698.78x = 4,381,415,477,343,316.50
  5. Step 5: Solve for x
    x = 4,381,415,477,343,316.50/74,179,698.78
  6. Step 6: Final answer
    x = 59,064,886.34

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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.