Home / 134,719,449.56-185,877,707.88-78,934,897.44

Finding the Fourth Proportional to 134,719,449.56, 185,877,707.88 and 78,934,897.44

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Solution

The fourth proportional to 134,719,449.56, 185,877,707.88 and 78,934,897.44 is: 108,909,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,719,449.56 : 185,877,707.88 = 78,934,897.44 : x
  2. Step 2: Convert to fraction form
    134,719,449.56/185,877,707.88 = 78,934,897.44/x
  3. Step 3: Cross multiply
    134,719,449.56x = 185,877,707.88 × 78,934,897.44
  4. Step 4: Simplify right side
    134,719,449.56x = 14,672,237,806,566,018
  5. Step 5: Solve for x
    x = 14,672,237,806,566,018/134,719,449.56
  6. Step 6: Final answer
    x = 108,909,573.60

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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.