Finding the Fourth Proportional to 129,413,376,082.90, 194,120,064,124.35 and 63,130,353,951.70
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Solution
The fourth proportional to 129,413,376,082.90, 194,120,064,124.35 and 63,130,353,951.70 is: 94,695,530,927.55
Step by Step Solution
- Step 1: Write the proportion equation
129,413,376,082.90 : 194,120,064,124.35 = 63,130,353,951.70 : x - Step 2: Convert to fraction form
129,413,376,082.90/194,120,064,124.35 = 63,130,353,951.70/x - Step 3: Cross multiply
129,413,376,082.90x = 194,120,064,124.35 × 63,130,353,951.70 - Step 4: Simplify right side
129,413,376,082.90x = 12,254,868,357,296,915,742,720 - Step 5: Solve for x
x = 12,254,868,357,296,915,742,720/129,413,376,082.90 - Step 6: Final answer
x = 94,695,530,927.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.