Finding the Fourth Proportional to 98,566,698.29, 136,063,925.64 and 61,415,334.05
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Solution
The fourth proportional to 98,566,698.29, 136,063,925.64 and 61,415,334.05 is: 84,779,256.99
Step by Step Solution
- Step 1: Write the proportion equation
98,566,698.29 : 136,063,925.64 = 61,415,334.05 : x - Step 2: Convert to fraction form
98,566,698.29/136,063,925.64 = 61,415,334.05/x - Step 3: Cross multiply
98,566,698.29x = 136,063,925.64 × 61,415,334.05 - Step 4: Simplify right side
98,566,698.29x = 8,356,411,444,654,640 - Step 5: Solve for x
x = 8,356,411,444,654,640/98,566,698.29 - Step 6: Final answer
x = 84,779,256.99
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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.