Home / 77,971,108.48-107,566,353.61-47,014,079.74

Finding the Fourth Proportional to 77,971,108.48, 107,566,353.61 and 47,014,079.74

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Solution

The fourth proportional to 77,971,108.48, 107,566,353.61 and 47,014,079.74 is: 64,859,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,971,108.48 : 107,566,353.61 = 47,014,079.74 : x
  2. Step 2: Convert to fraction form
    77,971,108.48/107,566,353.61 = 47,014,079.74/x
  3. Step 3: Cross multiply
    77,971,108.48x = 107,566,353.61 × 47,014,079.74
  4. Step 4: Simplify right side
    77,971,108.48x = 5,057,133,125,575,126
  5. Step 5: Solve for x
    x = 5,057,133,125,575,126/77,971,108.48
  6. Step 6: Final answer
    x = 64,859,064.14

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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.