Finding the Fourth Proportional to 124,798,759.98, 172,221,011.82 and 69,044,579.37
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Solution
The fourth proportional to 124,798,759.98, 172,221,011.82 and 69,044,579.37 is: 95,280,813.06
Step by Step Solution
- Step 1: Write the proportion equation
124,798,759.98 : 172,221,011.82 = 69,044,579.37 : x - Step 2: Convert to fraction form
124,798,759.98/172,221,011.82 = 69,044,579.37/x - Step 3: Cross multiply
124,798,759.98x = 172,221,011.82 × 69,044,579.37 - Step 4: Simplify right side
124,798,759.98x = 11,890,927,319,787,698 - Step 5: Solve for x
x = 11,890,927,319,787,698/124,798,759.98 - Step 6: Final answer
x = 95,280,813.06
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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.