Home / 144,554,014.45-216,831,015.60-42,318,051.67

Finding the Fourth Proportional to 144,554,014.45, 216,831,015.60 and 42,318,051.67

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Solution

The fourth proportional to 144,554,014.45, 216,831,015.60 and 42,318,051.67 is: 63,477,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,554,014.45 : 216,831,015.60 = 42,318,051.67 : x
  2. Step 2: Convert to fraction form
    144,554,014.45/216,831,015.60 = 42,318,051.67/x
  3. Step 3: Cross multiply
    144,554,014.45x = 216,831,015.60 × 42,318,051.67
  4. Step 4: Simplify right side
    144,554,014.45x = 9,175,866,121,819,376
  5. Step 5: Solve for x
    x = 9,175,866,121,819,376/144,554,014.45
  6. Step 6: Final answer
    x = 63,477,075.73

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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.