Home / 65,386,077.18-90,239,166.48-48,837,502.67

Finding the Fourth Proportional to 65,386,077.18, 90,239,166.48 and 48,837,502.67

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Solution

The fourth proportional to 65,386,077.18, 90,239,166.48 and 48,837,502.67 is: 67,400,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,386,077.18 : 90,239,166.48 = 48,837,502.67 : x
  2. Step 2: Convert to fraction form
    65,386,077.18/90,239,166.48 = 48,837,502.67/x
  3. Step 3: Cross multiply
    65,386,077.18x = 90,239,166.48 × 48,837,502.67
  4. Step 4: Simplify right side
    65,386,077.18x = 4,407,055,533,905,575
  5. Step 5: Solve for x
    x = 4,407,055,533,905,575/65,386,077.18
  6. Step 6: Final answer
    x = 67,400,518.95

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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.