Home / 144,896,018.60-217,595,970.30-76,871,570.60

Finding the Fourth Proportional to 144,896,018.60, 217,595,970.30 and 76,871,570.60

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Solution

The fourth proportional to 144,896,018.60, 217,595,970.30 and 76,871,570.60 is: 115,441,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,896,018.60 : 217,595,970.30 = 76,871,570.60 : x
  2. Step 2: Convert to fraction form
    144,896,018.60/217,595,970.30 = 76,871,570.60/x
  3. Step 3: Cross multiply
    144,896,018.60x = 217,595,970.30 × 76,871,570.60
  4. Step 4: Simplify right side
    144,896,018.60x = 16,726,943,993,191,952
  5. Step 5: Solve for x
    x = 16,726,943,993,191,952/144,896,018.60
  6. Step 6: Final answer
    x = 115,441,018.70

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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.