Finding the Fourth Proportional to 70,411,488.95, 97,173,671.70 and 39,059,646.14
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Solution
The fourth proportional to 70,411,488.95, 97,173,671.70 and 39,059,646.14 is: 53,905,538.53
Step by Step Solution
- Step 1: Write the proportion equation
70,411,488.95 : 97,173,671.70 = 39,059,646.14 : x - Step 2: Convert to fraction form
70,411,488.95/97,173,671.70 = 39,059,646.14/x - Step 3: Cross multiply
70,411,488.95x = 97,173,671.70 × 39,059,646.14 - Step 4: Simplify right side
70,411,488.95x = 3,795,569,230,240,664 - Step 5: Solve for x
x = 3,795,569,230,240,664/70,411,488.95 - Step 6: Final answer
x = 53,905,538.53
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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.