Home / 88,008,183.42-121,445,403.72-53,220,057.18

Finding the Fourth Proportional to 88,008,183.42, 121,445,403.72 and 53,220,057.18

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Solution

The fourth proportional to 88,008,183.42, 121,445,403.72 and 53,220,057.18 is: 73,440,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,008,183.42 : 121,445,403.72 = 53,220,057.18 : x
  2. Step 2: Convert to fraction form
    88,008,183.42/121,445,403.72 = 53,220,057.18/x
  3. Step 3: Cross multiply
    88,008,183.42x = 121,445,403.72 × 53,220,057.18
  4. Step 4: Simplify right side
    88,008,183.42x = 6,463,331,330,226,585
  5. Step 5: Solve for x
    x = 6,463,331,330,226,585/88,008,183.42
  6. Step 6: Final answer
    x = 73,440,117.49

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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.