Finding the Fourth Proportional to 77,370,925.76, 106,698,593.28 and 49,502,454.08
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Solution
The fourth proportional to 77,370,925.76, 106,698,593.28 and 49,502,454.08 is: 68,266,498.85
Step by Step Solution
- Step 1: Write the proportion equation
77,370,925.76 : 106,698,593.28 = 49,502,454.08 : x - Step 2: Convert to fraction form
77,370,925.76/106,698,593.28 = 49,502,454.08/x - Step 3: Cross multiply
77,370,925.76x = 106,698,593.28 × 49,502,454.08 - Step 4: Simplify right side
77,370,925.76x = 5,281,842,214,243,796 - Step 5: Solve for x
x = 5,281,842,214,243,796/77,370,925.76 - Step 6: Final answer
x = 68,266,498.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.