Finding the Fourth Proportional to 165,402,454.65, 248,103,681.98 and 157,466,269.05
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Solution
The fourth proportional to 165,402,454.65, 248,103,681.98 and 157,466,269.05 is: 236,199,403.58
Step by Step Solution
- Step 1: Write the proportion equation
165,402,454.65 : 248,103,681.98 = 157,466,269.05 : x - Step 2: Convert to fraction form
165,402,454.65/248,103,681.98 = 157,466,269.05/x - Step 3: Cross multiply
165,402,454.65x = 248,103,681.98 × 157,466,269.05 - Step 4: Simplify right side
165,402,454.65x = 39,067,961,138,170,984 - Step 5: Solve for x
x = 39,067,961,138,170,984/165,402,454.65 - Step 6: Final answer
x = 236,199,403.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.