Home / 104,553,145.20-156,829,717.80-70,115,768.40

Finding the Fourth Proportional to 104,553,145.20, 156,829,717.80 and 70,115,768.40

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Solution

The fourth proportional to 104,553,145.20, 156,829,717.80 and 70,115,768.40 is: 105,173,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,553,145.20 : 156,829,717.80 = 70,115,768.40 : x
  2. Step 2: Convert to fraction form
    104,553,145.20/156,829,717.80 = 70,115,768.40/x
  3. Step 3: Cross multiply
    104,553,145.20x = 156,829,717.80 × 70,115,768.40
  4. Step 4: Simplify right side
    104,553,145.20x = 10,996,236,171,502,160
  5. Step 5: Solve for x
    x = 10,996,236,171,502,160/104,553,145.20
  6. Step 6: Final answer
    x = 105,173,652.60

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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.