Home / 104,832,465.40-157,248,698.10-86,338,318.60

Finding the Fourth Proportional to 104,832,465.40, 157,248,698.10 and 86,338,318.60

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Solution

The fourth proportional to 104,832,465.40, 157,248,698.10 and 86,338,318.60 is: 129,507,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,832,465.40 : 157,248,698.10 = 86,338,318.60 : x
  2. Step 2: Convert to fraction form
    104,832,465.40/157,248,698.10 = 86,338,318.60/x
  3. Step 3: Cross multiply
    104,832,465.40x = 157,248,698.10 × 86,338,318.60
  4. Step 4: Simplify right side
    104,832,465.40x = 13,576,588,195,993,014
  5. Step 5: Solve for x
    x = 13,576,588,195,993,014/104,832,465.40
  6. Step 6: Final answer
    x = 129,507,477.90

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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.