Finding the Fourth Proportional to 221,226,360.72, 305,246,801.34 and 127,122,325.44
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Solution
The fourth proportional to 221,226,360.72, 305,246,801.34 and 127,122,325.44 is: 175,402,619.71
Step by Step Solution
- Step 1: Write the proportion equation
221,226,360.72 : 305,246,801.34 = 127,122,325.44 : x - Step 2: Convert to fraction form
221,226,360.72/305,246,801.34 = 127,122,325.44/x - Step 3: Cross multiply
221,226,360.72x = 305,246,801.34 × 127,122,325.44 - Step 4: Simplify right side
221,226,360.72x = 38,803,683,219,462,504 - Step 5: Solve for x
x = 38,803,683,219,462,504/221,226,360.72 - Step 6: Final answer
x = 175,402,619.71
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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.