Home / 109,135,875.40-163,703,813.10-74,698,498.60

Finding the Fourth Proportional to 109,135,875.40, 163,703,813.10 and 74,698,498.60

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Solution

The fourth proportional to 109,135,875.40, 163,703,813.10 and 74,698,498.60 is: 112,047,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,135,875.40 : 163,703,813.10 = 74,698,498.60 : x
  2. Step 2: Convert to fraction form
    109,135,875.40/163,703,813.10 = 74,698,498.60/x
  3. Step 3: Cross multiply
    109,135,875.40x = 163,703,813.10 × 74,698,498.60
  4. Step 4: Simplify right side
    109,135,875.40x = 12,228,429,053,665,010
  5. Step 5: Solve for x
    x = 12,228,429,053,665,010/109,135,875.40
  6. Step 6: Final answer
    x = 112,047,747.90

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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.