Finding the Fourth Proportional to 235,148,940.27, 324,487,155.36 and 130,720,652.55
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Solution
The fourth proportional to 235,148,940.27, 324,487,155.36 and 130,720,652.55 is: 180,384,281.74
Step by Step Solution
- Step 1: Write the proportion equation
235,148,940.27 : 324,487,155.36 = 130,720,652.55 : x - Step 2: Convert to fraction form
235,148,940.27/324,487,155.36 = 130,720,652.55/x - Step 3: Cross multiply
235,148,940.27x = 324,487,155.36 × 130,720,652.55 - Step 4: Simplify right side
235,148,940.27x = 42,417,172,693,242,632 - Step 5: Solve for x
x = 42,417,172,693,242,632/235,148,940.27 - Step 6: Final answer
x = 180,384,281.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.