Home / 77,559,008.37-107,031,405.44-42,752,280.07

Finding the Fourth Proportional to 77,559,008.37, 107,031,405.44 and 42,752,280.07

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Solution

The fourth proportional to 77,559,008.37, 107,031,405.44 and 42,752,280.07 is: 58,998,132.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,559,008.37 : 107,031,405.44 = 42,752,280.07 : x
  2. Step 2: Convert to fraction form
    77,559,008.37/107,031,405.44 = 42,752,280.07/x
  3. Step 3: Cross multiply
    77,559,008.37x = 107,031,405.44 × 42,752,280.07
  4. Step 4: Simplify right side
    77,559,008.37x = 4,575,836,621,924,180
  5. Step 5: Solve for x
    x = 4,575,836,621,924,180/77,559,008.37
  6. Step 6: Final answer
    x = 58,998,132.11

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1.5x scale

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.