Home / 253,588,691.76-380,430,824.01-96,068,888.40

Finding the Fourth Proportional to 253,588,691.76, 380,430,824.01 and 96,068,888.40

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Solution

The fourth proportional to 253,588,691.76, 380,430,824.01 and 96,068,888.40 is: 144,121,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,588,691.76 : 380,430,824.01 = 96,068,888.40 : x
  2. Step 2: Convert to fraction form
    253,588,691.76/380,430,824.01 = 96,068,888.40/x
  3. Step 3: Cross multiply
    253,588,691.76x = 380,430,824.01 × 96,068,888.40
  4. Step 4: Simplify right side
    253,588,691.76x = 36,547,566,377,345,504
  5. Step 5: Solve for x
    x = 36,547,566,377,345,504/253,588,691.76
  6. Step 6: Final answer
    x = 144,121,435.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.