Home / 142,544,075.42-213,847,605.93-51,665,302.46

Finding the Fourth Proportional to 142,544,075.42, 213,847,605.93 and 51,665,302.46

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Solution

The fourth proportional to 142,544,075.42, 213,847,605.93 and 51,665,302.46 is: 77,509,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,544,075.42 : 213,847,605.93 = 51,665,302.46 : x
  2. Step 2: Convert to fraction form
    142,544,075.42/213,847,605.93 = 51,665,302.46/x
  3. Step 3: Cross multiply
    142,544,075.42x = 213,847,605.93 × 51,665,302.46
  4. Step 4: Simplify right side
    142,544,075.42x = 11,048,501,241,448,704
  5. Step 5: Solve for x
    x = 11,048,501,241,448,704/142,544,075.42
  6. Step 6: Final answer
    x = 77,509,368.30

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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.