Home / 81,112,403.46-111,939,599.25-46,316,271.18

Finding the Fourth Proportional to 81,112,403.46, 111,939,599.25 and 46,316,271.18

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Solution

The fourth proportional to 81,112,403.46, 111,939,599.25 and 46,316,271.18 is: 63,919,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,112,403.46 : 111,939,599.25 = 46,316,271.18 : x
  2. Step 2: Convert to fraction form
    81,112,403.46/111,939,599.25 = 46,316,271.18/x
  3. Step 3: Cross multiply
    81,112,403.46x = 111,939,599.25 × 46,316,271.18
  4. Step 4: Simplify right side
    81,112,403.46x = 5,184,624,834,643,525
  5. Step 5: Solve for x
    x = 5,184,624,834,643,525/81,112,403.46
  6. Step 6: Final answer
    x = 63,919,013.78

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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.