Home / 109,815,534.02-151,558,876.50-63,405,710.03

Finding the Fourth Proportional to 109,815,534.02, 151,558,876.50 and 63,405,710.03

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Solution

The fourth proportional to 109,815,534.02, 151,558,876.50 and 63,405,710.03 is: 87,507,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,815,534.02 : 151,558,876.50 = 63,405,710.03 : x
  2. Step 2: Convert to fraction form
    109,815,534.02/151,558,876.50 = 63,405,710.03/x
  3. Step 3: Cross multiply
    109,815,534.02x = 151,558,876.50 × 63,405,710.03
  4. Step 4: Simplify right side
    109,815,534.02x = 9,609,698,175,831,582
  5. Step 5: Solve for x
    x = 9,609,698,175,831,582/109,815,534.02
  6. Step 6: Final answer
    x = 87,507,639.62

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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.