Home / 111,893,756.96-153,294,993.84-107,700,009.32

Finding the Fourth Proportional to 111,893,756.96, 153,294,993.84 and 107,700,009.32

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Solution

The fourth proportional to 111,893,756.96, 153,294,993.84 and 107,700,009.32 is: 147,549,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,893,756.96 : 153,294,993.84 = 107,700,009.32 : x
  2. Step 2: Convert to fraction form
    111,893,756.96/153,294,993.84 = 107,700,009.32/x
  3. Step 3: Cross multiply
    111,893,756.96x = 153,294,993.84 × 107,700,009.32
  4. Step 4: Simplify right side
    111,893,756.96x = 16,509,872,264,510,868
  5. Step 5: Solve for x
    x = 16,509,872,264,510,868/111,893,756.96
  6. Step 6: Final answer
    x = 147,549,539.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.