Home / 131,637,615.30-197,456,422.95-99,113,426.10

Finding the Fourth Proportional to 131,637,615.30, 197,456,422.95 and 99,113,426.10

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Solution

The fourth proportional to 131,637,615.30, 197,456,422.95 and 99,113,426.10 is: 148,670,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,637,615.30 : 197,456,422.95 = 99,113,426.10 : x
  2. Step 2: Convert to fraction form
    131,637,615.30/197,456,422.95 = 99,113,426.10/x
  3. Step 3: Cross multiply
    131,637,615.30x = 197,456,422.95 × 99,113,426.10
  4. Step 4: Simplify right side
    131,637,615.30x = 19,570,582,584,025,168
  5. Step 5: Solve for x
    x = 19,570,582,584,025,168/131,637,615.30
  6. Step 6: Final answer
    x = 148,670,139.15

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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.