Finding the Fourth Proportional to 272,712,357.94, 409,125,988.34 and 88,465,447.73
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Solution
The fourth proportional to 272,712,357.94, 409,125,988.34 and 88,465,447.73 is: 132,716,808.32
Step by Step Solution
- Step 1: Write the proportion equation
272,712,357.94 : 409,125,988.34 = 88,465,447.73 : x - Step 2: Convert to fraction form
272,712,357.94/409,125,988.34 = 88,465,447.73/x - Step 3: Cross multiply
272,712,357.94x = 409,125,988.34 × 88,465,447.73 - Step 4: Simplify right side
272,712,357.94x = 36,193,513,736,476,856 - Step 5: Solve for x
x = 36,193,513,736,476,856/272,712,357.94 - Step 6: Final answer
x = 132,716,808.32
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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.