Finding the Fourth Proportional to 74,920,309.20, 112,254,492.60 and 62,071,246.80
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Solution
The fourth proportional to 74,920,309.20, 112,254,492.60 and 62,071,246.80 is: 93,002,503.45
Step by Step Solution
- Step 1: Write the proportion equation
74,920,309.20 : 112,254,492.60 = 62,071,246.80 : x - Step 2: Convert to fraction form
74,920,309.20/112,254,492.60 = 62,071,246.80/x - Step 3: Cross multiply
74,920,309.20x = 112,254,492.60 × 62,071,246.80 - Step 4: Simplify right side
74,920,309.20x = 6,967,776,314,583,373 - Step 5: Solve for x
x = 6,967,776,314,583,373/74,920,309.20 - Step 6: Final answer
x = 93,002,503.45
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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.