Home / 98,013,608.20-147,020,412.30-87,432,027.40

Finding the Fourth Proportional to 98,013,608.20, 147,020,412.30 and 87,432,027.40

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Solution

The fourth proportional to 98,013,608.20, 147,020,412.30 and 87,432,027.40 is: 131,148,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,013,608.20 : 147,020,412.30 = 87,432,027.40 : x
  2. Step 2: Convert to fraction form
    98,013,608.20/147,020,412.30 = 87,432,027.40/x
  3. Step 3: Cross multiply
    98,013,608.20x = 147,020,412.30 × 87,432,027.40
  4. Step 4: Simplify right side
    98,013,608.20x = 12,854,292,716,572,898
  5. Step 5: Solve for x
    x = 12,854,292,716,572,898/98,013,608.20
  6. Step 6: Final answer
    x = 131,148,041.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.