Finding the Fourth Proportional to 96,918,871.71, 133,748,458.80 and 52,866,830.55
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Solution
The fourth proportional to 96,918,871.71, 133,748,458.80 and 52,866,830.55 is: 72,956,452.99
Step by Step Solution
- Step 1: Write the proportion equation
96,918,871.71 : 133,748,458.80 = 52,866,830.55 : x - Step 2: Convert to fraction form
96,918,871.71/133,748,458.80 = 52,866,830.55/x - Step 3: Cross multiply
96,918,871.71x = 133,748,458.80 × 52,866,830.55 - Step 4: Simplify right side
96,918,871.71x = 7,070,857,108,037,628 - Step 5: Solve for x
x = 7,070,857,108,037,628/96,918,871.71 - Step 6: Final answer
x = 72,956,452.99
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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.