Home / 97,935,140.40-146,902,710.60-86,597,732.40

Finding the Fourth Proportional to 97,935,140.40, 146,902,710.60 and 86,597,732.40

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Solution

The fourth proportional to 97,935,140.40, 146,902,710.60 and 86,597,732.40 is: 129,896,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,935,140.40 : 146,902,710.60 = 86,597,732.40 : x
  2. Step 2: Convert to fraction form
    97,935,140.40/146,902,710.60 = 86,597,732.40/x
  3. Step 3: Cross multiply
    97,935,140.40x = 146,902,710.60 × 86,597,732.40
  4. Step 4: Simplify right side
    97,935,140.40x = 12,721,441,621,373,444
  5. Step 5: Solve for x
    x = 12,721,441,621,373,444/97,935,140.40
  6. Step 6: Final answer
    x = 129,896,598.60

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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.