Finding the Fourth Proportional to 156,872,420.24, 235,337,360.42 and 64,705,880.42
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Solution
The fourth proportional to 156,872,420.24, 235,337,360.42 and 64,705,880.42 is: 97,070,671.05
Step by Step Solution
- Step 1: Write the proportion equation
156,872,420.24 : 235,337,360.42 = 64,705,880.42 : x - Step 2: Convert to fraction form
156,872,420.24/235,337,360.42 = 64,705,880.42/x - Step 3: Cross multiply
156,872,420.24x = 235,337,360.42 × 64,705,880.42 - Step 4: Simplify right side
156,872,420.24x = 15,227,711,101,694,960 - Step 5: Solve for x
x = 15,227,711,101,694,960/156,872,420.24 - Step 6: Final answer
x = 97,070,671.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.