Home / 84,259,155.78-116,281,226.01-47,089,434.93

Finding the Fourth Proportional to 84,259,155.78, 116,281,226.01 and 47,089,434.93

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Solution

The fourth proportional to 84,259,155.78, 116,281,226.01 and 47,089,434.93 is: 64,985,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,259,155.78 : 116,281,226.01 = 47,089,434.93 : x
  2. Step 2: Convert to fraction form
    84,259,155.78/116,281,226.01 = 47,089,434.93/x
  3. Step 3: Cross multiply
    84,259,155.78x = 116,281,226.01 × 47,089,434.93
  4. Step 4: Simplify right side
    84,259,155.78x = 5,475,617,225,778,519
  5. Step 5: Solve for x
    x = 5,475,617,225,778,519/84,259,155.78
  6. Step 6: Final answer
    x = 64,985,427.10

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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.