Finding the Fourth Proportional to 89,909,511.60, 134,864,267.40 and 48,953,125.20
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Solution
The fourth proportional to 89,909,511.60, 134,864,267.40 and 48,953,125.20 is: 73,429,687.80
Step by Step Solution
- Step 1: Write the proportion equation
89,909,511.60 : 134,864,267.40 = 48,953,125.20 : x - Step 2: Convert to fraction form
89,909,511.60/134,864,267.40 = 48,953,125.20/x - Step 3: Cross multiply
89,909,511.60x = 134,864,267.40 × 48,953,125.20 - Step 4: Simplify right side
89,909,511.60x = 6,602,027,367,038,479 - Step 5: Solve for x
x = 6,602,027,367,038,479/89,909,511.60 - Step 6: Final answer
x = 73,429,687.80
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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.