Finding the Fourth Proportional to 162,403,652.94, 243,508,193.12 and 51,691,497.77
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Solution
The fourth proportional to 162,403,652.94, 243,508,193.12 and 51,691,497.77 is: 77,506,281.37
Step by Step Solution
- Step 1: Write the proportion equation
162,403,652.94 : 243,508,193.12 = 51,691,497.77 : x - Step 2: Convert to fraction form
162,403,652.94/243,508,193.12 = 51,691,497.77/x - Step 3: Cross multiply
162,403,652.94x = 243,508,193.12 × 51,691,497.77 - Step 4: Simplify right side
162,403,652.94x = 12,587,303,220,421,668 - Step 5: Solve for x
x = 12,587,303,220,421,668/162,403,652.94 - Step 6: Final answer
x = 77,506,281.37
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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.