Finding the Fourth Proportional to 141,878,541.10, 212,817,811.65 and 141,878,541.10
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Solution
The fourth proportional to 141,878,541.10, 212,817,811.65 and 141,878,541.10 is: 212,817,811.65
Step by Step Solution
- Step 1: Write the proportion equation
141,878,541.10 : 212,817,811.65 = 141,878,541.10 : x - Step 2: Convert to fraction form
141,878,541.10/212,817,811.65 = 141,878,541.10/x - Step 3: Cross multiply
141,878,541.10x = 212,817,811.65 × 141,878,541.10 - Step 4: Simplify right side
141,878,541.10x = 30,194,280,636,996,584 - Step 5: Solve for x
x = 30,194,280,636,996,584/141,878,541.10 - Step 6: Final answer
x = 212,817,811.65
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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.