Finding the Fourth Proportional to 257,927,423.40, 386,387,250.30 and 155,386,866.60
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Solution
The fourth proportional to 257,927,423.40, 386,387,250.30 and 155,386,866.60 is: 232,776,737.45
Step by Step Solution
- Step 1: Write the proportion equation
257,927,423.40 : 386,387,250.30 = 155,386,866.60 : x - Step 2: Convert to fraction form
257,927,423.40/386,387,250.30 = 155,386,866.60/x - Step 3: Cross multiply
257,927,423.40x = 386,387,250.30 × 155,386,866.60 - Step 4: Simplify right side
257,927,423.40x = 60,039,504,118,306,912 - Step 5: Solve for x
x = 60,039,504,118,306,912/257,927,423.40 - Step 6: Final answer
x = 232,776,737.45
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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.