Finding the Fourth Proportional to 129,301,203.35, 178,439,439.99 and 70,567,637.96
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Solution
The fourth proportional to 129,301,203.35, 178,439,439.99 and 70,567,637.96 is: 97,385,403.02
Step by Step Solution
- Step 1: Write the proportion equation
129,301,203.35 : 178,439,439.99 = 70,567,637.96 : x - Step 2: Convert to fraction form
129,301,203.35/178,439,439.99 = 70,567,637.96/x - Step 3: Cross multiply
129,301,203.35x = 178,439,439.99 × 70,567,637.96 - Step 4: Simplify right side
129,301,203.35x = 12,592,049,798,107,270 - Step 5: Solve for x
x = 12,592,049,798,107,270/129,301,203.35 - Step 6: Final answer
x = 97,385,403.02
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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.