Home / 113,888,602.87-157,165,433.80-61,676,427.31

Finding the Fourth Proportional to 113,888,602.87, 157,165,433.80 and 61,676,427.31

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Solution

The fourth proportional to 113,888,602.87, 157,165,433.80 and 61,676,427.31 is: 85,113,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,888,602.87 : 157,165,433.80 = 61,676,427.31 : x
  2. Step 2: Convert to fraction form
    113,888,602.87/157,165,433.80 = 61,676,427.31/x
  3. Step 3: Cross multiply
    113,888,602.87x = 157,165,433.80 × 61,676,427.31
  4. Step 4: Simplify right side
    113,888,602.87x = 9,693,402,453,410,318
  5. Step 5: Solve for x
    x = 9,693,402,453,410,318/113,888,602.87
  6. Step 6: Final answer
    x = 85,113,015.78

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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.