Finding the Fourth Proportional to 257,142,686.06, 354,861,582.24 and 145,656,675.50
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Solution
The fourth proportional to 257,142,686.06, 354,861,582.24 and 145,656,675.50 is: 201,008,860.58
Step by Step Solution
- Step 1: Write the proportion equation
257,142,686.06 : 354,861,582.24 = 145,656,675.50 : x - Step 2: Convert to fraction form
257,142,686.06/354,861,582.24 = 145,656,675.50/x - Step 3: Cross multiply
257,142,686.06x = 354,861,582.24 × 145,656,675.50 - Step 4: Simplify right side
257,142,686.06x = 51,687,958,331,748,248 - Step 5: Solve for x
x = 51,687,958,331,748,248/257,142,686.06 - Step 6: Final answer
x = 201,008,860.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.