Home / 30,118,401.60-41,563,281.60-17,068,147.20

Finding the Fourth Proportional to 30,118,401.60, 41,563,281.60 and 17,068,147.20

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Solution

The fourth proportional to 30,118,401.60, 41,563,281.60 and 17,068,147.20 is: 23,553,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118,401.60 : 41,563,281.60 = 17,068,147.20 : x
  2. Step 2: Convert to fraction form
    30,118,401.60/41,563,281.60 = 17,068,147.20/x
  3. Step 3: Cross multiply
    30,118,401.60x = 41,563,281.60 × 17,068,147.20
  4. Step 4: Simplify right side
    30,118,401.60x = 709,408,208,463,851.50
  5. Step 5: Solve for x
    x = 709,408,208,463,851.50/30,118,401.60
  6. Step 6: Final answer
    x = 23,553,979.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.