Home / 56,692,966.13-78,194,523.60-42,754,908.63

Finding the Fourth Proportional to 56,692,966.13, 78,194,523.60 and 42,754,908.63

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Solution

The fourth proportional to 56,692,966.13, 78,194,523.60 and 42,754,908.63 is: 58,970,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692,966.13 : 78,194,523.60 = 42,754,908.63 : x
  2. Step 2: Convert to fraction form
    56,692,966.13/78,194,523.60 = 42,754,908.63/x
  3. Step 3: Cross multiply
    56,692,966.13x = 78,194,523.60 × 42,754,908.63
  4. Step 4: Simplify right side
    56,692,966.13x = 3,343,199,711,884,378.50
  5. Step 5: Solve for x
    x = 3,343,199,711,884,378.50/56,692,966.13
  6. Step 6: Final answer
    x = 58,970,273.39

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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.