Finding the Fourth Proportional to 268,352,969.70, 402,316,878.15 and 147,184,421.70
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Solution
The fourth proportional to 268,352,969.70, 402,316,878.15 and 147,184,421.70 is: 220,660,040.08
Step by Step Solution
- Step 1: Write the proportion equation
268,352,969.70 : 402,316,878.15 = 147,184,421.70 : x - Step 2: Convert to fraction form
268,352,969.70/402,316,878.15 = 147,184,421.70/x - Step 3: Cross multiply
268,352,969.70x = 402,316,878.15 × 147,184,421.70 - Step 4: Simplify right side
268,352,969.70x = 59,214,777,050,657,104 - Step 5: Solve for x
x = 59,214,777,050,657,104/268,352,969.70 - Step 6: Final answer
x = 220,660,040.08
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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.