Home / 101,798,526.45-140,477,829.78-57,744,579.57

Finding the Fourth Proportional to 101,798,526.45, 140,477,829.78 and 57,744,579.57

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Solution

The fourth proportional to 101,798,526.45, 140,477,829.78 and 57,744,579.57 is: 79,685,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,798,526.45 : 140,477,829.78 = 57,744,579.57 : x
  2. Step 2: Convert to fraction form
    101,798,526.45/140,477,829.78 = 57,744,579.57/x
  3. Step 3: Cross multiply
    101,798,526.45x = 140,477,829.78 × 57,744,579.57
  4. Step 4: Simplify right side
    101,798,526.45x = 8,111,833,219,552,126
  5. Step 5: Solve for x
    x = 8,111,833,219,552,126/101,798,526.45
  6. Step 6: Final answer
    x = 79,685,173.28

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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.