Home / 290,448,048.08-400,818,369.48-158,289,075.92

Finding the Fourth Proportional to 290,448,048.08, 400,818,369.48 and 158,289,075.92

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Solution

The fourth proportional to 290,448,048.08, 400,818,369.48 and 158,289,075.92 is: 218,438,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,448,048.08 : 400,818,369.48 = 158,289,075.92 : x
  2. Step 2: Convert to fraction form
    290,448,048.08/400,818,369.48 = 158,289,075.92/x
  3. Step 3: Cross multiply
    290,448,048.08x = 400,818,369.48 × 158,289,075.92
  4. Step 4: Simplify right side
    290,448,048.08x = 63,445,169,316,750,328
  5. Step 5: Solve for x
    x = 63,445,169,316,750,328/290,448,048.08
  6. Step 6: Final answer
    x = 218,438,959.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.