Home / 65,386,076.18-90,239,165.10-48,837,501.67

Finding the Fourth Proportional to 65,386,076.18, 90,239,165.10 and 48,837,501.67

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Solution

The fourth proportional to 65,386,076.18, 90,239,165.10 and 48,837,501.67 is: 67,400,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,386,076.18 : 90,239,165.10 = 48,837,501.67 : x
  2. Step 2: Convert to fraction form
    65,386,076.18/90,239,165.10 = 48,837,501.67/x
  3. Step 3: Cross multiply
    65,386,076.18x = 90,239,165.10 × 48,837,501.67
  4. Step 4: Simplify right side
    65,386,076.18x = 4,407,055,376,420,106.50
  5. Step 5: Solve for x
    x = 4,407,055,376,420,106.50/65,386,076.18
  6. Step 6: Final answer
    x = 67,400,517.57

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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.