Home / 127,333,968.30-191,000,952.45-45,492,054.30

Finding the Fourth Proportional to 127,333,968.30, 191,000,952.45 and 45,492,054.30

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Solution

The fourth proportional to 127,333,968.30, 191,000,952.45 and 45,492,054.30 is: 68,238,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,333,968.30 : 191,000,952.45 = 45,492,054.30 : x
  2. Step 2: Convert to fraction form
    127,333,968.30/191,000,952.45 = 45,492,054.30/x
  3. Step 3: Cross multiply
    127,333,968.30x = 191,000,952.45 × 45,492,054.30
  4. Step 4: Simplify right side
    127,333,968.30x = 8,689,025,700,207,117
  5. Step 5: Solve for x
    x = 8,689,025,700,207,117/127,333,968.30
  6. Step 6: Final answer
    x = 68,238,081.45

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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.