Home / 130,317,206.94-179,869,066.56-74,594,928.78

Finding the Fourth Proportional to 130,317,206.94, 179,869,066.56 and 74,594,928.78

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Solution

The fourth proportional to 130,317,206.94, 179,869,066.56 and 74,594,928.78 is: 102,958,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,317,206.94 : 179,869,066.56 = 74,594,928.78 : x
  2. Step 2: Convert to fraction form
    130,317,206.94/179,869,066.56 = 74,594,928.78/x
  3. Step 3: Cross multiply
    130,317,206.94x = 179,869,066.56 × 74,594,928.78
  4. Step 4: Simplify right side
    130,317,206.94x = 13,417,320,209,768,280
  5. Step 5: Solve for x
    x = 13,417,320,209,768,280/130,317,206.94
  6. Step 6: Final answer
    x = 102,958,930.17

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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.