Home / 130,698,410.10-196,089,605.55-87,616,259.70

Finding the Fourth Proportional to 130,698,410.10, 196,089,605.55 and 87,616,259.70

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Solution

The fourth proportional to 130,698,410.10, 196,089,605.55 and 87,616,259.70 is: 131,452,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,698,410.10 : 196,089,605.55 = 87,616,259.70 : x
  2. Step 2: Convert to fraction form
    130,698,410.10/196,089,605.55 = 87,616,259.70/x
  3. Step 3: Cross multiply
    130,698,410.10x = 196,089,605.55 × 87,616,259.70
  4. Step 4: Simplify right side
    130,698,410.10x = 17,180,637,804,339,362
  5. Step 5: Solve for x
    x = 17,180,637,804,339,362/130,698,410.10
  6. Step 6: Final answer
    x = 131,452,538.64

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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.