Home / 113,888,604.87-157,165,436.56-61,676,429.31

Finding the Fourth Proportional to 113,888,604.87, 157,165,436.56 and 61,676,429.31

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Solution

The fourth proportional to 113,888,604.87, 157,165,436.56 and 61,676,429.31 is: 85,113,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,888,604.87 : 157,165,436.56 = 61,676,429.31 : x
  2. Step 2: Convert to fraction form
    113,888,604.87/157,165,436.56 = 61,676,429.31/x
  3. Step 3: Cross multiply
    113,888,604.87x = 157,165,436.56 × 61,676,429.31
  4. Step 4: Simplify right side
    113,888,604.87x = 9,693,402,937,968,130
  5. Step 5: Solve for x
    x = 9,693,402,937,968,130/113,888,604.87
  6. Step 6: Final answer
    x = 85,113,018.54

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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.