Finding the Fourth Proportional to 97,117,246.80, 145,652,542.20 and 56,087,960.40
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Solution
The fourth proportional to 97,117,246.80, 145,652,542.20 and 56,087,960.40 is: 84,118,468.02
Step by Step Solution
- Step 1: Write the proportion equation
97,117,246.80 : 145,652,542.20 = 56,087,960.40 : x - Step 2: Convert to fraction form
97,117,246.80/145,652,542.20 = 56,087,960.40/x - Step 3: Cross multiply
97,117,246.80x = 145,652,542.20 × 56,087,960.40 - Step 4: Simplify right side
97,117,246.80x = 8,169,354,019,072,928 - Step 5: Solve for x
x = 8,169,354,019,072,928/97,117,246.80 - Step 6: Final answer
x = 84,118,468.02
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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.