Home / 76,535,783.39-105,616,338.89-45,183,931.36

Finding the Fourth Proportional to 76,535,783.39, 105,616,338.89 and 45,183,931.36

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Solution

The fourth proportional to 76,535,783.39, 105,616,338.89 and 45,183,931.36 is: 62,352,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,535,783.39 : 105,616,338.89 = 45,183,931.36 : x
  2. Step 2: Convert to fraction form
    76,535,783.39/105,616,338.89 = 45,183,931.36/x
  3. Step 3: Cross multiply
    76,535,783.39x = 105,616,338.89 × 45,183,931.36
  4. Step 4: Simplify right side
    76,535,783.39x = 4,772,161,407,385,742
  5. Step 5: Solve for x
    x = 4,772,161,407,385,742/76,535,783.39
  6. Step 6: Final answer
    x = 62,352,029.29

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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.