Finding the Fourth Proportional to 52,768,142.76, 72,818,276.46 and 29,245,677.14
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Solution
The fourth proportional to 52,768,142.76, 72,818,276.46 and 29,245,677.14 is: 40,358,058.70
Step by Step Solution
- Step 1: Write the proportion equation
52,768,142.76 : 72,818,276.46 = 29,245,677.14 : x - Step 2: Convert to fraction form
52,768,142.76/72,818,276.46 = 29,245,677.14/x - Step 3: Cross multiply
52,768,142.76x = 72,818,276.46 × 29,245,677.14 - Step 4: Simplify right side
52,768,142.76x = 2,129,619,803,240,422 - Step 5: Solve for x
x = 2,129,619,803,240,422/52,768,142.76 - Step 6: Final answer
x = 40,358,058.70
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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.