Home / 430,075,214.82-645,110,981.01-119,181,942.78

Finding the Fourth Proportional to 430,075,214.82, 645,110,981.01 and 119,181,942.78

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Solution

The fourth proportional to 430,075,214.82, 645,110,981.01 and 119,181,942.78 is: 178,772,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,075,214.82 : 645,110,981.01 = 119,181,942.78 : x
  2. Step 2: Convert to fraction form
    430,075,214.82/645,110,981.01 = 119,181,942.78/x
  3. Step 3: Cross multiply
    430,075,214.82x = 645,110,981.01 × 119,181,942.78
  4. Step 4: Simplify right side
    430,075,214.82x = 76,885,580,025,483,488
  5. Step 5: Solve for x
    x = 76,885,580,025,483,488/430,075,214.82
  6. Step 6: Final answer
    x = 178,772,403.93

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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.