Home / 115,074,095.32-172,679,243.87-42,341,951.97

Finding the Fourth Proportional to 115,074,095.32, 172,679,243.87 and 42,341,951.97

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Solution

The fourth proportional to 115,074,095.32, 172,679,243.87 and 42,341,951.97 is: 63,537,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,074,095.32 : 172,679,243.87 = 42,341,951.97 : x
  2. Step 2: Convert to fraction form
    115,074,095.32/172,679,243.87 = 42,341,951.97/x
  3. Step 3: Cross multiply
    115,074,095.32x = 172,679,243.87 × 42,341,951.97
  4. Step 4: Simplify right side
    115,074,095.32x = 7,311,576,250,159,457
  5. Step 5: Solve for x
    x = 7,311,576,250,159,457/115,074,095.32
  6. Step 6: Final answer
    x = 63,537,985.94

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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.