Home / 152,989,970.40-211,119,999.84-83,373,856.56

Finding the Fourth Proportional to 152,989,970.40, 211,119,999.84 and 83,373,856.56

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Solution

The fourth proportional to 152,989,970.40, 211,119,999.84 and 83,373,856.56 is: 115,052,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,989,970.40 : 211,119,999.84 = 83,373,856.56 : x
  2. Step 2: Convert to fraction form
    152,989,970.40/211,119,999.84 = 83,373,856.56/x
  3. Step 3: Cross multiply
    152,989,970.40x = 211,119,999.84 × 83,373,856.56
  4. Step 4: Simplify right side
    152,989,970.40x = 17,601,888,583,607,384
  5. Step 5: Solve for x
    x = 17,601,888,583,607,384/152,989,970.40
  6. Step 6: Final answer
    x = 115,052,565.46

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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.