Finding the Fourth Proportional to 178,904,683.08, 246,885,206.16 and 99,519,355.08
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Solution
The fourth proportional to 178,904,683.08, 246,885,206.16 and 99,519,355.08 is: 137,334,898.52
Step by Step Solution
- Step 1: Write the proportion equation
178,904,683.08 : 246,885,206.16 = 99,519,355.08 : x - Step 2: Convert to fraction form
178,904,683.08/246,885,206.16 = 99,519,355.08/x - Step 3: Cross multiply
178,904,683.08x = 246,885,206.16 × 99,519,355.08 - Step 4: Simplify right side
178,904,683.08x = 24,569,856,495,836,044 - Step 5: Solve for x
x = 24,569,856,495,836,044/178,904,683.08 - Step 6: Final answer
x = 137,334,898.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.