Finding the Fourth Proportional to 103,518,029.40, 155,277,044.10 and 30,746,041.80
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Solution
The fourth proportional to 103,518,029.40, 155,277,044.10 and 30,746,041.80 is: 46,119,062.70
Step by Step Solution
- Step 1: Write the proportion equation
103,518,029.40 : 155,277,044.10 = 30,746,041.80 : x - Step 2: Convert to fraction form
103,518,029.40/155,277,044.10 = 30,746,041.80/x - Step 3: Cross multiply
103,518,029.40x = 155,277,044.10 × 30,746,041.80 - Step 4: Simplify right side
103,518,029.40x = 4,774,154,488,479,043 - Step 5: Solve for x
x = 4,774,154,488,479,043/103,518,029.40 - Step 6: Final answer
x = 46,119,062.70
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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.