Finding the Fourth Proportional to 70,636,475.84, 97,417,636.90 and 45,832,221.68
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Solution
The fourth proportional to 70,636,475.84, 97,417,636.90 and 45,832,221.68 is: 63,209,081.10
Step by Step Solution
- Step 1: Write the proportion equation
70,636,475.84 : 97,417,636.90 = 45,832,221.68 : x - Step 2: Convert to fraction form
70,636,475.84/97,417,636.90 = 45,832,221.68/x - Step 3: Cross multiply
70,636,475.84x = 97,417,636.90 × 45,832,221.68 - Step 4: Simplify right side
70,636,475.84x = 4,464,866,729,942,548 - Step 5: Solve for x
x = 4,464,866,729,942,548/70,636,475.84 - Step 6: Final answer
x = 63,209,081.10
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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.