Finding the Fourth Proportional to 157,011,999.54, 235,553,125.79 and 47,845,714.38
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Solution
The fourth proportional to 157,011,999.54, 235,553,125.79 and 47,845,714.38 is: 71,779,275.54
Step by Step Solution
- Step 1: Write the proportion equation
157,011,999.54 : 235,553,125.79 = 47,845,714.38 : x - Step 2: Convert to fraction form
157,011,999.54/235,553,125.79 = 47,845,714.38/x - Step 3: Cross multiply
157,011,999.54x = 235,553,125.79 × 47,845,714.38 - Step 4: Simplify right side
157,011,999.54x = 11,270,207,577,864,552 - Step 5: Solve for x
x = 11,270,207,577,864,552/157,011,999.54 - Step 6: Final answer
x = 71,779,275.54
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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.