Finding the Fourth Proportional to 230,885,573.18, 318,618,152.98 and 125,038,128.40
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Solution
The fourth proportional to 230,885,573.18, 318,618,152.98 and 125,038,128.40 is: 172,550,484.53
Step by Step Solution
- Step 1: Write the proportion equation
230,885,573.18 : 318,618,152.98 = 125,038,128.40 : x - Step 2: Convert to fraction form
230,885,573.18/318,618,152.98 = 125,038,128.40/x - Step 3: Cross multiply
230,885,573.18x = 318,618,152.98 × 125,038,128.40 - Step 4: Simplify right side
230,885,573.18x = 39,839,417,522,884,088 - Step 5: Solve for x
x = 39,839,417,522,884,088/230,885,573.18 - Step 6: Final answer
x = 172,550,484.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.