Finding the Fourth Proportional to 70,781,230.99, 97,681,129.26 and 39,419,279.77
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Solution
The fourth proportional to 70,781,230.99, 97,681,129.26 and 39,419,279.77 is: 54,400,293.82
Step by Step Solution
- Step 1: Write the proportion equation
70,781,230.99 : 97,681,129.26 = 39,419,279.77 : x - Step 2: Convert to fraction form
70,781,230.99/97,681,129.26 = 39,419,279.77/x - Step 3: Cross multiply
70,781,230.99x = 97,681,129.26 × 39,419,279.77 - Step 4: Simplify right side
70,781,230.99x = 3,850,519,762,549,473.50 - Step 5: Solve for x
x = 3,850,519,762,549,473.50/70,781,230.99 - Step 6: Final answer
x = 54,400,293.82
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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.