Home / 98,414,643.20-147,621,964.80-88,672,870.40

Finding the Fourth Proportional to 98,414,643.20, 147,621,964.80 and 88,672,870.40

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Solution

The fourth proportional to 98,414,643.20, 147,621,964.80 and 88,672,870.40 is: 133,009,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,414,643.20 : 147,621,964.80 = 88,672,870.40 : x
  2. Step 2: Convert to fraction form
    98,414,643.20/147,621,964.80 = 88,672,870.40/x
  3. Step 3: Cross multiply
    98,414,643.20x = 147,621,964.80 × 88,672,870.40
  4. Step 4: Simplify right side
    98,414,643.20x = 13,090,063,352,903,764
  5. Step 5: Solve for x
    x = 13,090,063,352,903,764/98,414,643.20
  6. Step 6: Final answer
    x = 133,009,305.60

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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.