Home / 117,048,907.95-161,527,436.79-70,005,980.61

Finding the Fourth Proportional to 117,048,907.95, 161,527,436.79 and 70,005,980.61

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Solution

The fourth proportional to 117,048,907.95, 161,527,436.79 and 70,005,980.61 is: 96,608,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,048,907.95 : 161,527,436.79 = 70,005,980.61 : x
  2. Step 2: Convert to fraction form
    117,048,907.95/161,527,436.79 = 70,005,980.61/x
  3. Step 3: Cross multiply
    117,048,907.95x = 161,527,436.79 × 70,005,980.61
  4. Step 4: Simplify right side
    117,048,907.95x = 11,307,886,607,903,740
  5. Step 5: Solve for x
    x = 11,307,886,607,903,740/117,048,907.95
  6. Step 6: Final answer
    x = 96,608,219.64

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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.