Finding the Fourth Proportional to 93,974,585.80, 140,961,878.70 and 68,465,417.80
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Solution
The fourth proportional to 93,974,585.80, 140,961,878.70 and 68,465,417.80 is: 102,698,126.70
Step by Step Solution
- Step 1: Write the proportion equation
93,974,585.80 : 140,961,878.70 = 68,465,417.80 : x - Step 2: Convert to fraction form
93,974,585.80/140,961,878.70 = 68,465,417.80/x - Step 3: Cross multiply
93,974,585.80x = 140,961,878.70 × 68,465,417.80 - Step 4: Simplify right side
93,974,585.80x = 9,651,013,919,068,420 - Step 5: Solve for x
x = 9,651,013,919,068,420/93,974,585.80 - Step 6: Final answer
x = 102,698,126.70
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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.