Home / 143,154,321,017.88-214,731,368,113.86-38,464,695,545.88

Finding the Fourth Proportional to 143,154,321,017.88, 214,731,368,113.86 and 38,464,695,545.88

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Solution

The fourth proportional to 143,154,321,017.88, 214,731,368,113.86 and 38,464,695,545.88 is: 57,697,012,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,154,321,017.88 : 214,731,368,113.86 = 38,464,695,545.88 : x
  2. Step 2: Convert to fraction form
    143,154,321,017.88/214,731,368,113.86 = 38,464,695,545.88/x
  3. Step 3: Cross multiply
    143,154,321,017.88x = 214,731,368,113.86 × 38,464,695,545.88
  4. Step 4: Simplify right side
    143,154,321,017.88x = 8,259,576,698,649,907,822,592
  5. Step 5: Solve for x
    x = 8,259,576,698,649,907,822,592/143,154,321,017.88
  6. Step 6: Final answer
    x = 57,697,012,845.45

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1.5x scale

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.