Home / 98,490,828.90-147,736,243.35-90,554,643.30

Finding the Fourth Proportional to 98,490,828.90, 147,736,243.35 and 90,554,643.30

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Solution

The fourth proportional to 98,490,828.90, 147,736,243.35 and 90,554,643.30 is: 135,831,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,490,828.90 : 147,736,243.35 = 90,554,643.30 : x
  2. Step 2: Convert to fraction form
    98,490,828.90/147,736,243.35 = 90,554,643.30/x
  3. Step 3: Cross multiply
    98,490,828.90x = 147,736,243.35 × 90,554,643.30
  4. Step 4: Simplify right side
    98,490,828.90x = 13,378,202,819,041,246
  5. Step 5: Solve for x
    x = 13,378,202,819,041,246/98,490,828.90
  6. Step 6: Final answer
    x = 135,831,964.95

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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.