Home / 111,477,607.81-167,237,945.87-42,385,039.25

Finding the Fourth Proportional to 111,477,607.81, 167,237,945.87 and 42,385,039.25

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Solution

The fourth proportional to 111,477,607.81, 167,237,945.87 and 42,385,039.25 is: 63,585,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,477,607.81 : 167,237,945.87 = 42,385,039.25 : x
  2. Step 2: Convert to fraction form
    111,477,607.81/167,237,945.87 = 42,385,039.25/x
  3. Step 3: Cross multiply
    111,477,607.81x = 167,237,945.87 × 42,385,039.25
  4. Step 4: Simplify right side
    111,477,607.81x = 7,088,386,898,741,210
  5. Step 5: Solve for x
    x = 7,088,386,898,741,210/111,477,607.81
  6. Step 6: Final answer
    x = 63,585,746.39

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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.