Home / 109,124,276.80-163,214,023.20-97,692,390.40

Finding the Fourth Proportional to 109,124,276.80, 163,214,023.20 and 97,692,390.40

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Solution

The fourth proportional to 109,124,276.80, 163,214,023.20 and 97,692,390.40 is: 146,115,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,124,276.80 : 163,214,023.20 = 97,692,390.40 : x
  2. Step 2: Convert to fraction form
    109,124,276.80/163,214,023.20 = 97,692,390.40/x
  3. Step 3: Cross multiply
    109,124,276.80x = 163,214,023.20 × 97,692,390.40
  4. Step 4: Simplify right side
    109,124,276.80x = 15,944,768,073,209,058
  5. Step 5: Solve for x
    x = 15,944,768,073,209,058/109,124,276.80
  6. Step 6: Final answer
    x = 146,115,681.50

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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.