Home / 98,664,032.80-147,996,049.20-97,152,378.40

Finding the Fourth Proportional to 98,664,032.80, 147,996,049.20 and 97,152,378.40

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Solution

The fourth proportional to 98,664,032.80, 147,996,049.20 and 97,152,378.40 is: 145,728,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,664,032.80 : 147,996,049.20 = 97,152,378.40 : x
  2. Step 2: Convert to fraction form
    98,664,032.80/147,996,049.20 = 97,152,378.40/x
  3. Step 3: Cross multiply
    98,664,032.80x = 147,996,049.20 × 97,152,378.40
  4. Step 4: Simplify right side
    98,664,032.80x = 14,378,168,173,583,418
  5. Step 5: Solve for x
    x = 14,378,168,173,583,418/98,664,032.80
  6. Step 6: Final answer
    x = 145,728,567.60

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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.