Finding the Fourth Proportional to 126,657,242.84, 190,108,718.50 and 61,124,498.76
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Solution
The fourth proportional to 126,657,242.84, 190,108,718.50 and 61,124,498.76 is: 91,746,037.32
Step by Step Solution
- Step 1: Write the proportion equation
126,657,242.84 : 190,108,718.50 = 61,124,498.76 : x - Step 2: Convert to fraction form
126,657,242.84/190,108,718.50 = 61,124,498.76/x - Step 3: Cross multiply
126,657,242.84x = 190,108,718.50 × 61,124,498.76 - Step 4: Simplify right side
126,657,242.84x = 11,620,300,128,218,438 - Step 5: Solve for x
x = 11,620,300,128,218,438/126,657,242.84 - Step 6: Final answer
x = 91,746,037.32
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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.