Home / 70,352,011.20-105,528,016.80-29,966,577.60

Finding the Fourth Proportional to 70,352,011.20, 105,528,016.80 and 29,966,577.60

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Solution

The fourth proportional to 70,352,011.20, 105,528,016.80 and 29,966,577.60 is: 44,949,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,352,011.20 : 105,528,016.80 = 29,966,577.60 : x
  2. Step 2: Convert to fraction form
    70,352,011.20/105,528,016.80 = 29,966,577.60/x
  3. Step 3: Cross multiply
    70,352,011.20x = 105,528,016.80 × 29,966,577.60
  4. Step 4: Simplify right side
    70,352,011.20x = 3,162,313,504,411,303.50
  5. Step 5: Solve for x
    x = 3,162,313,504,411,303.50/70,352,011.20
  6. Step 6: Final answer
    x = 44,949,866.40

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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.