Home / 98,415,066.80-147,622,600.20-72,905,898.80

Finding the Fourth Proportional to 98,415,066.80, 147,622,600.20 and 72,905,898.80

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Solution

The fourth proportional to 98,415,066.80, 147,622,600.20 and 72,905,898.80 is: 109,358,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,066.80 : 147,622,600.20 = 72,905,898.80 : x
  2. Step 2: Convert to fraction form
    98,415,066.80/147,622,600.20 = 72,905,898.80/x
  3. Step 3: Cross multiply
    98,415,066.80x = 147,622,600.20 × 72,905,898.80
  4. Step 4: Simplify right side
    98,415,066.80x = 10,762,558,350,774,058
  5. Step 5: Solve for x
    x = 10,762,558,350,774,058/98,415,066.80
  6. Step 6: Final answer
    x = 109,358,848.20

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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.