Finding the Fourth Proportional to 130,854,207.09, 180,575,695.43 and 71,317,383.08
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Solution
The fourth proportional to 130,854,207.09, 180,575,695.43 and 71,317,383.08 is: 98,416,293.45
Step by Step Solution
- Step 1: Write the proportion equation
130,854,207.09 : 180,575,695.43 = 71,317,383.08 : x - Step 2: Convert to fraction form
130,854,207.09/180,575,695.43 = 71,317,383.08/x - Step 3: Cross multiply
130,854,207.09x = 180,575,695.43 × 71,317,383.08 - Step 4: Simplify right side
130,854,207.09x = 12,878,186,044,659,252 - Step 5: Solve for x
x = 12,878,186,044,659,252/130,854,207.09 - Step 6: Final answer
x = 98,416,293.45
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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.