Home / 98,077,603.20-147,116,404.80-82,772,102.40

Finding the Fourth Proportional to 98,077,603.20, 147,116,404.80 and 82,772,102.40

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Solution

The fourth proportional to 98,077,603.20, 147,116,404.80 and 82,772,102.40 is: 124,158,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,077,603.20 : 147,116,404.80 = 82,772,102.40 : x
  2. Step 2: Convert to fraction form
    98,077,603.20/147,116,404.80 = 82,772,102.40/x
  3. Step 3: Cross multiply
    98,077,603.20x = 147,116,404.80 × 82,772,102.40
  4. Step 4: Simplify right side
    98,077,603.20x = 12,177,134,122,825,454
  5. Step 5: Solve for x
    x = 12,177,134,122,825,454/98,077,603.20
  6. Step 6: Final answer
    x = 124,158,153.60

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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.