Finding the Fourth Proportional to 309,243,712.40, 464,201,696.04 and 125,137,926.32
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Solution
The fourth proportional to 309,243,712.40, 464,201,696.04 and 125,137,926.32 is: 187,842,906.12
Step by Step Solution
- Step 1: Write the proportion equation
309,243,712.40 : 464,201,696.04 = 125,137,926.32 : x - Step 2: Convert to fraction form
309,243,712.40/464,201,696.04 = 125,137,926.32/x - Step 3: Cross multiply
309,243,712.40x = 464,201,696.04 × 125,137,926.32 - Step 4: Simplify right side
309,243,712.40x = 58,089,237,636,672,552 - Step 5: Solve for x
x = 58,089,237,636,672,552/309,243,712.40 - Step 6: Final answer
x = 187,842,906.12
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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.