Home / 86,562,043.60-130,032,022.20-61,052,875.60

Finding the Fourth Proportional to 86,562,043.60, 130,032,022.20 and 61,052,875.60

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Solution

The fourth proportional to 86,562,043.60, 130,032,022.20 and 61,052,875.60 is: 91,712,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562,043.60 : 130,032,022.20 = 61,052,875.60 : x
  2. Step 2: Convert to fraction form
    86,562,043.60/130,032,022.20 = 61,052,875.60/x
  3. Step 3: Cross multiply
    86,562,043.60x = 130,032,022.20 × 61,052,875.60
  4. Step 4: Simplify right side
    86,562,043.60x = 7,938,828,875,393,039
  5. Step 5: Solve for x
    x = 7,938,828,875,393,039/86,562,043.60
  6. Step 6: Final answer
    x = 91,712,586.09

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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.