Home / 98,657,999.40-147,986,999.10-30,507,580.20

Finding the Fourth Proportional to 98,657,999.40, 147,986,999.10 and 30,507,580.20

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Solution

The fourth proportional to 98,657,999.40, 147,986,999.10 and 30,507,580.20 is: 45,761,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,657,999.40 : 147,986,999.10 = 30,507,580.20 : x
  2. Step 2: Convert to fraction form
    98,657,999.40/147,986,999.10 = 30,507,580.20/x
  3. Step 3: Cross multiply
    98,657,999.40x = 147,986,999.10 × 30,507,580.20
  4. Step 4: Simplify right side
    98,657,999.40x = 4,514,725,243,600,578
  5. Step 5: Solve for x
    x = 4,514,725,243,600,578/98,657,999.40
  6. Step 6: Final answer
    x = 45,761,370.30

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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.