Finding the Fourth Proportional to 48,878,312.10, 73,358,802.45 and 20,145,068.70
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Solution
The fourth proportional to 48,878,312.10, 73,358,802.45 and 20,145,068.70 is: 30,234,638.87
Step by Step Solution
- Step 1: Write the proportion equation
48,878,312.10 : 73,358,802.45 = 20,145,068.70 : x - Step 2: Convert to fraction form
48,878,312.10/73,358,802.45 = 20,145,068.70/x - Step 3: Cross multiply
48,878,312.10x = 73,358,802.45 × 20,145,068.70 - Step 4: Simplify right side
48,878,312.10x = 1,477,818,115,104,978.25 - Step 5: Solve for x
x = 1,477,818,115,104,978.25/48,878,312.10 - Step 6: Final answer
x = 30,234,638.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.