Finding the Fourth Proportional to 70,982,465.68, 97,956,097.74 and 38,387,417.68
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Solution
The fourth proportional to 70,982,465.68, 97,956,097.74 and 38,387,417.68 is: 52,974,795.99
Step by Step Solution
- Step 1: Write the proportion equation
70,982,465.68 : 97,956,097.74 = 38,387,417.68 : x - Step 2: Convert to fraction form
70,982,465.68/97,956,097.74 = 38,387,417.68/x - Step 3: Cross multiply
70,982,465.68x = 97,956,097.74 × 38,387,417.68 - Step 4: Simplify right side
70,982,465.68x = 3,760,281,638,248,284 - Step 5: Solve for x
x = 3,760,281,638,248,284/70,982,465.68 - Step 6: Final answer
x = 52,974,795.99
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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.