Home / 98,496,438.40-147,744,657.60-53,146,806.40

Finding the Fourth Proportional to 98,496,438.40, 147,744,657.60 and 53,146,806.40

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Solution

The fourth proportional to 98,496,438.40, 147,744,657.60 and 53,146,806.40 is: 79,720,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,438.40 : 147,744,657.60 = 53,146,806.40 : x
  2. Step 2: Convert to fraction form
    98,496,438.40/147,744,657.60 = 53,146,806.40/x
  3. Step 3: Cross multiply
    98,496,438.40x = 147,744,657.60 × 53,146,806.40
  4. Step 4: Simplify right side
    98,496,438.40x = 7,852,156,714,101,488
  5. Step 5: Solve for x
    x = 7,852,156,714,101,488/98,496,438.40
  6. Step 6: Final answer
    x = 79,720,209.60

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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.