Home / 127,983,643.79-176,567,173.45-74,329,170.89

Finding the Fourth Proportional to 127,983,643.79, 176,567,173.45 and 74,329,170.89

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Solution

The fourth proportional to 127,983,643.79, 176,567,173.45 and 74,329,170.89 is: 102,545,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,983,643.79 : 176,567,173.45 = 74,329,170.89 : x
  2. Step 2: Convert to fraction form
    127,983,643.79/176,567,173.45 = 74,329,170.89/x
  3. Step 3: Cross multiply
    127,983,643.79x = 176,567,173.45 × 74,329,170.89
  4. Step 4: Simplify right side
    127,983,643.79x = 13,124,091,607,860,662
  5. Step 5: Solve for x
    x = 13,124,091,607,860,662/127,983,643.79
  6. Step 6: Final answer
    x = 102,545,069.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.