Home / 119,595,619.20-179,393,428.80-118,461,878.40

Finding the Fourth Proportional to 119,595,619.20, 179,393,428.80 and 118,461,878.40

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Solution

The fourth proportional to 119,595,619.20, 179,393,428.80 and 118,461,878.40 is: 177,692,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,595,619.20 : 179,393,428.80 = 118,461,878.40 : x
  2. Step 2: Convert to fraction form
    119,595,619.20/179,393,428.80 = 118,461,878.40/x
  3. Step 3: Cross multiply
    119,595,619.20x = 179,393,428.80 × 118,461,878.40
  4. Step 4: Simplify right side
    119,595,619.20x = 21,251,282,548,264,660
  5. Step 5: Solve for x
    x = 21,251,282,548,264,660/119,595,619.20
  6. Step 6: Final answer
    x = 177,692,817.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.