Finding the Fourth Proportional to 93,974,905.80, 140,962,358.70 and 68,465,737.80
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Solution
The fourth proportional to 93,974,905.80, 140,962,358.70 and 68,465,737.80 is: 102,698,606.70
Step by Step Solution
- Step 1: Write the proportion equation
93,974,905.80 : 140,962,358.70 = 68,465,737.80 : x - Step 2: Convert to fraction form
93,974,905.80/140,962,358.70 = 68,465,737.80/x - Step 3: Cross multiply
93,974,905.80x = 140,962,358.70 × 68,465,737.80 - Step 4: Simplify right side
93,974,905.80x = 9,651,091,890,423,748 - Step 5: Solve for x
x = 9,651,091,890,423,748/93,974,905.80 - Step 6: Final answer
x = 102,698,606.70
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1.5x scale
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.