Home / 70,352,014.60-105,528,021.90-58,408,078.60

Finding the Fourth Proportional to 70,352,014.60, 105,528,021.90 and 58,408,078.60

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Solution

The fourth proportional to 70,352,014.60, 105,528,021.90 and 58,408,078.60 is: 87,612,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,352,014.60 : 105,528,021.90 = 58,408,078.60 : x
  2. Step 2: Convert to fraction form
    70,352,014.60/105,528,021.90 = 58,408,078.60/x
  3. Step 3: Cross multiply
    70,352,014.60x = 105,528,021.90 × 58,408,078.60
  4. Step 4: Simplify right side
    70,352,014.60x = 6,163,688,997,637,722
  5. Step 5: Solve for x
    x = 6,163,688,997,637,722/70,352,014.60
  6. Step 6: Final answer
    x = 87,612,117.90

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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.