Finding the Fourth Proportional to 133,485,430,038.64, 184,225,685,557.20 and 79,292,192,785.18
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Solution
The fourth proportional to 133,485,430,038.64, 184,225,685,557.20 and 79,292,192,785.18 is: 109,432,606,771.80
Step by Step Solution
- Step 1: Write the proportion equation
133,485,430,038.64 : 184,225,685,557.20 = 79,292,192,785.18 : x - Step 2: Convert to fraction form
133,485,430,038.64/184,225,685,557.20 = 79,292,192,785.18/x - Step 3: Cross multiply
133,485,430,038.64x = 184,225,685,557.20 × 79,292,192,785.18 - Step 4: Simplify right side
133,485,430,038.64x = 14,607,658,575,183,453,618,176 - Step 5: Solve for x
x = 14,607,658,575,183,453,618,176/133,485,430,038.64 - Step 6: Final answer
x = 109,432,606,771.80
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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.