Finding the Fourth Proportional to 195,021,617.16, 292,628,281.98 and 78,432,319.10
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Solution
The fourth proportional to 195,021,617.16, 292,628,281.98 and 78,432,319.10 is: 117,687,029.39
Step by Step Solution
- Step 1: Write the proportion equation
195,021,617.16 : 292,628,281.98 = 78,432,319.10 : x - Step 2: Convert to fraction form
195,021,617.16/292,628,281.98 = 78,432,319.10/x - Step 3: Cross multiply
195,021,617.16x = 292,628,281.98 × 78,432,319.10 - Step 4: Simplify right side
195,021,617.16x = 22,951,514,789,940,140 - Step 5: Solve for x
x = 22,951,514,789,940,140/195,021,617.16 - Step 6: Final answer
x = 117,687,029.39
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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.