Home / 130,003,130-179,404,345.32-72,056,378

Finding the Fourth Proportional to 130,003,130, 179,404,345.32 and 72,056,378

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Solution

The fourth proportional to 130,003,130, 179,404,345.32 and 72,056,378 is: 99,437,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,003,130 : 179,404,345.32 = 72,056,378 : x
  2. Step 2: Convert to fraction form
    130,003,130/179,404,345.32 = 72,056,378/x
  3. Step 3: Cross multiply
    130,003,130x = 179,404,345.32 × 72,056,378
  4. Step 4: Simplify right side
    130,003,130x = 12,927,227,321,220,450
  5. Step 5: Solve for x
    x = 12,927,227,321,220,450/130,003,130
  6. Step 6: Final answer
    x = 99,437,816.01

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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.