Home / 109,815,533.02-151,558,875.12-63,405,709.03

Finding the Fourth Proportional to 109,815,533.02, 151,558,875.12 and 63,405,709.03

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Solution

The fourth proportional to 109,815,533.02, 151,558,875.12 and 63,405,709.03 is: 87,507,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,815,533.02 : 151,558,875.12 = 63,405,709.03 : x
  2. Step 2: Convert to fraction form
    109,815,533.02/151,558,875.12 = 63,405,709.03/x
  3. Step 3: Cross multiply
    109,815,533.02x = 151,558,875.12 × 63,405,709.03
  4. Step 4: Simplify right side
    109,815,533.02x = 9,609,697,936,772,826
  5. Step 5: Solve for x
    x = 9,609,697,936,772,826/109,815,533.02
  6. Step 6: Final answer
    x = 87,507,638.24

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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.