Finding the Fourth Proportional to 171,861,465,865.92, 237,158,136,679.86 and 94,694,987,307.26
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Solution
The fourth proportional to 171,861,465,865.92, 237,158,136,679.86 and 94,694,987,307.26 is: 130,673,194,421.80
Step by Step Solution
- Step 1: Write the proportion equation
171,861,465,865.92 : 237,158,136,679.86 = 94,694,987,307.26 : x - Step 2: Convert to fraction form
171,861,465,865.92/237,158,136,679.86 = 94,694,987,307.26/x - Step 3: Cross multiply
171,861,465,865.92x = 237,158,136,679.86 × 94,694,987,307.26 - Step 4: Simplify right side
171,861,465,865.92x = 22,457,686,742,712,774,033,408 - Step 5: Solve for x
x = 22,457,686,742,712,774,033,408/171,861,465,865.92 - Step 6: Final answer
x = 130,673,194,421.80
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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.