Home / 98,413,740.70-147,620,611.06-47,283,430.30

Finding the Fourth Proportional to 98,413,740.70, 147,620,611.06 and 47,283,430.30

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Solution

The fourth proportional to 98,413,740.70, 147,620,611.06 and 47,283,430.30 is: 70,925,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,413,740.70 : 147,620,611.06 = 47,283,430.30 : x
  2. Step 2: Convert to fraction form
    98,413,740.70/147,620,611.06 = 47,283,430.30/x
  3. Step 3: Cross multiply
    98,413,740.70x = 147,620,611.06 × 47,283,430.30
  4. Step 4: Simplify right side
    98,413,740.70x = 6,980,008,873,898,919
  5. Step 5: Solve for x
    x = 6,980,008,873,898,919/98,413,740.70
  6. Step 6: Final answer
    x = 70,925,145.45

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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.