Finding the Fourth Proportional to 56,610,905.20, 84,829,266.60 and 42,166,207.60
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Solution
The fourth proportional to 56,610,905.20, 84,829,266.60 and 42,166,207.60 is: 63,184,442.17
Step by Step Solution
- Step 1: Write the proportion equation
56,610,905.20 : 84,829,266.60 = 42,166,207.60 : x - Step 2: Convert to fraction form
56,610,905.20/84,829,266.60 = 42,166,207.60/x - Step 3: Cross multiply
56,610,905.20x = 84,829,266.60 × 42,166,207.60 - Step 4: Simplify right side
56,610,905.20x = 3,576,928,466,011,346 - Step 5: Solve for x
x = 3,576,928,466,011,346/56,610,905.20 - Step 6: Final answer
x = 63,184,442.17
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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.