Finding the Fourth Proportional to 193,175,140.96, 266,557,498.39 and 130,587,417.08
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Solution
The fourth proportional to 193,175,140.96, 266,557,498.39 and 130,587,417.08 is: 180,194,278.86
Step by Step Solution
- Step 1: Write the proportion equation
193,175,140.96 : 266,557,498.39 = 130,587,417.08 : x - Step 2: Convert to fraction form
193,175,140.96/266,557,498.39 = 130,587,417.08/x - Step 3: Cross multiply
193,175,140.96x = 266,557,498.39 × 130,587,417.08 - Step 4: Simplify right side
193,175,140.96x = 34,809,055,219,018,804 - Step 5: Solve for x
x = 34,809,055,219,018,804/193,175,140.96 - Step 6: Final answer
x = 180,194,278.86
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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.