Finding the Fourth Proportional to 97,103,423.90, 145,655,135.85 and 92,624,447.90
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Solution
The fourth proportional to 97,103,423.90, 145,655,135.85 and 92,624,447.90 is: 138,936,671.85
Step by Step Solution
- Step 1: Write the proportion equation
97,103,423.90 : 145,655,135.85 = 92,624,447.90 : x - Step 2: Convert to fraction form
97,103,423.90/145,655,135.85 = 92,624,447.90/x - Step 3: Cross multiply
97,103,423.90x = 145,655,135.85 × 92,624,447.90 - Step 4: Simplify right side
97,103,423.90x = 13,491,226,541,905,748 - Step 5: Solve for x
x = 13,491,226,541,905,748/97,103,423.90 - Step 6: Final answer
x = 138,936,671.85
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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.