Finding the Fourth Proportional to 122,225,163,508.15, 168,670,733,750.95 and 68,030,549,099.76
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Solution
The fourth proportional to 122,225,163,508.15, 168,670,733,750.95 and 68,030,549,099.76 is: 93,882,162,271.53
Step by Step Solution
- Step 1: Write the proportion equation
122,225,163,508.15 : 168,670,733,750.95 = 68,030,549,099.76 : x - Step 2: Convert to fraction form
122,225,163,508.15/168,670,733,750.95 = 68,030,549,099.76/x - Step 3: Cross multiply
122,225,163,508.15x = 168,670,733,750.95 × 68,030,549,099.76 - Step 4: Simplify right side
122,225,163,508.15x = 11,474,762,634,136,551,161,856 - Step 5: Solve for x
x = 11,474,762,634,136,551,161,856/122,225,163,508.15 - Step 6: Final answer
x = 93,882,162,271.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.