Home / 130,507,476.58-180,105,052.78-74,763,670.56

Finding the Fourth Proportional to 130,507,476.58, 180,105,052.78 and 74,763,670.56

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Solution

The fourth proportional to 130,507,476.58, 180,105,052.78 and 74,763,670.56 is: 103,176,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,476.58 : 180,105,052.78 = 74,763,670.56 : x
  2. Step 2: Convert to fraction form
    130,507,476.58/180,105,052.78 = 74,763,670.56/x
  3. Step 3: Cross multiply
    130,507,476.58x = 180,105,052.78 × 74,763,670.56
  4. Step 4: Simplify right side
    130,507,476.58x = 13,465,314,832,235,332
  5. Step 5: Solve for x
    x = 13,465,314,832,235,332/130,507,476.58
  6. Step 6: Final answer
    x = 103,176,577.96

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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.