Home / 98,303,920.72-147,521,705.08-40,796,246.48

Finding the Fourth Proportional to 98,303,920.72, 147,521,705.08 and 40,796,246.48

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Solution

The fourth proportional to 98,303,920.72, 147,521,705.08 and 40,796,246.48 is: 61,221,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,303,920.72 : 147,521,705.08 = 40,796,246.48 : x
  2. Step 2: Convert to fraction form
    98,303,920.72/147,521,705.08 = 40,796,246.48/x
  3. Step 3: Cross multiply
    98,303,920.72x = 147,521,705.08 × 40,796,246.48
  4. Step 4: Simplify right side
    98,303,920.72x = 6,018,331,841,593,548
  5. Step 5: Solve for x
    x = 6,018,331,841,593,548/98,303,920.72
  6. Step 6: Final answer
    x = 61,221,686.76

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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.