Home / 209,348,713.22-288,896,477.45-131,075,458.34

Finding the Fourth Proportional to 209,348,713.22, 288,896,477.45 and 131,075,458.34

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Solution

The fourth proportional to 209,348,713.22, 288,896,477.45 and 131,075,458.34 is: 180,881,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,348,713.22 : 288,896,477.45 = 131,075,458.34 : x
  2. Step 2: Convert to fraction form
    209,348,713.22/288,896,477.45 = 131,075,458.34/x
  3. Step 3: Cross multiply
    209,348,713.22x = 288,896,477.45 × 131,075,458.34
  4. Step 4: Simplify right side
    209,348,713.22x = 37,867,238,192,470,360
  5. Step 5: Solve for x
    x = 37,867,238,192,470,360/209,348,713.22
  6. Step 6: Final answer
    x = 180,881,160.49

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Why These Related Problems?

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