Home / 115,440,807.30-173,161,210.95-105,027,188.10

Finding the Fourth Proportional to 115,440,807.30, 173,161,210.95 and 105,027,188.10

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Solution

The fourth proportional to 115,440,807.30, 173,161,210.95 and 105,027,188.10 is: 157,540,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440,807.30 : 173,161,210.95 = 105,027,188.10 : x
  2. Step 2: Convert to fraction form
    115,440,807.30/173,161,210.95 = 105,027,188.10/x
  3. Step 3: Cross multiply
    115,440,807.30x = 173,161,210.95 × 105,027,188.10
  4. Step 4: Simplify right side
    115,440,807.30x = 18,186,635,074,069,428
  5. Step 5: Solve for x
    x = 18,186,635,074,069,428/115,440,807.30
  6. Step 6: Final answer
    x = 157,540,782.15

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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.