Home / 109,217,903.60-163,826,855.40-98,258,409.20

Finding the Fourth Proportional to 109,217,903.60, 163,826,855.40 and 98,258,409.20

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Solution

The fourth proportional to 109,217,903.60, 163,826,855.40 and 98,258,409.20 is: 147,387,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,217,903.60 : 163,826,855.40 = 98,258,409.20 : x
  2. Step 2: Convert to fraction form
    109,217,903.60/163,826,855.40 = 98,258,409.20/x
  3. Step 3: Cross multiply
    109,217,903.60x = 163,826,855.40 × 98,258,409.20
  4. Step 4: Simplify right side
    109,217,903.60x = 16,097,366,195,842,430
  5. Step 5: Solve for x
    x = 16,097,366,195,842,430/109,217,903.60
  6. Step 6: Final answer
    x = 147,387,613.80

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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.