Home / 111,116,352.32-153,326,024.58-64,075,163.24

Finding the Fourth Proportional to 111,116,352.32, 153,326,024.58 and 64,075,163.24

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Solution

The fourth proportional to 111,116,352.32, 153,326,024.58 and 64,075,163.24 is: 88,415,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,116,352.32 : 153,326,024.58 = 64,075,163.24 : x
  2. Step 2: Convert to fraction form
    111,116,352.32/153,326,024.58 = 64,075,163.24/x
  3. Step 3: Cross multiply
    111,116,352.32x = 153,326,024.58 × 64,075,163.24
  4. Step 4: Simplify right side
    111,116,352.32x = 9,824,390,053,903,754
  5. Step 5: Solve for x
    x = 9,824,390,053,903,754/111,116,352.32
  6. Step 6: Final answer
    x = 88,415,339.86

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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.