Home / 127,818,201.80-191,727,302.70-73,398,643.40

Finding the Fourth Proportional to 127,818,201.80, 191,727,302.70 and 73,398,643.40

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Solution

The fourth proportional to 127,818,201.80, 191,727,302.70 and 73,398,643.40 is: 110,097,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,818,201.80 : 191,727,302.70 = 73,398,643.40 : x
  2. Step 2: Convert to fraction form
    127,818,201.80/191,727,302.70 = 73,398,643.40/x
  3. Step 3: Cross multiply
    127,818,201.80x = 191,727,302.70 × 73,398,643.40
  4. Step 4: Simplify right side
    127,818,201.80x = 14,072,523,920,921,158
  5. Step 5: Solve for x
    x = 14,072,523,920,921,158/127,818,201.80
  6. Step 6: Final answer
    x = 110,097,965.10

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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.