Home / 154,075,668.59-230,968,830.39-51,768,158.51

Finding the Fourth Proportional to 154,075,668.59, 230,968,830.39 and 51,768,158.51

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Solution

The fourth proportional to 154,075,668.59, 230,968,830.39 and 51,768,158.51 is: 77,603,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,075,668.59 : 230,968,830.39 = 51,768,158.51 : x
  2. Step 2: Convert to fraction form
    154,075,668.59/230,968,830.39 = 51,768,158.51/x
  3. Step 3: Cross multiply
    154,075,668.59x = 230,968,830.39 × 51,768,158.51
  4. Step 4: Simplify right side
    154,075,668.59x = 11,956,831,021,343,980
  5. Step 5: Solve for x
    x = 11,956,831,021,343,980/154,075,668.59
  6. Step 6: Final answer
    x = 77,603,628.99

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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.