Finding the Fourth Proportional to 194,742,073.93, 292,167,721.95 and 78,239,239.72
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Solution
The fourth proportional to 194,742,073.93, 292,167,721.95 and 78,239,239.72 is: 117,380,800.02
Step by Step Solution
- Step 1: Write the proportion equation
194,742,073.93 : 292,167,721.95 = 78,239,239.72 : x - Step 2: Convert to fraction form
194,742,073.93/292,167,721.95 = 78,239,239.72/x - Step 3: Cross multiply
194,742,073.93x = 292,167,721.95 × 78,239,239.72 - Step 4: Simplify right side
194,742,073.93x = 22,858,980,436,092,356 - Step 5: Solve for x
x = 22,858,980,436,092,356/194,742,073.93 - Step 6: Final answer
x = 117,380,800.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.