Home / 92,786,312.16-128,045,106.72-51,537,042.72

Finding the Fourth Proportional to 92,786,312.16, 128,045,106.72 and 51,537,042.72

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Solution

The fourth proportional to 92,786,312.16, 128,045,106.72 and 51,537,042.72 is: 71,121,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,786,312.16 : 128,045,106.72 = 51,537,042.72 : x
  2. Step 2: Convert to fraction form
    92,786,312.16/128,045,106.72 = 51,537,042.72/x
  3. Step 3: Cross multiply
    92,786,312.16x = 128,045,106.72 × 51,537,042.72
  4. Step 4: Simplify right side
    92,786,312.16x = 6,599,066,135,115,599
  5. Step 5: Solve for x
    x = 6,599,066,135,115,599/92,786,312.16
  6. Step 6: Final answer
    x = 71,121,116.70

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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.