Home / 107,648,210.76-148,748,852.10-76,654,571.88

Finding the Fourth Proportional to 107,648,210.76, 148,748,852.10 and 76,654,571.88

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Solution

The fourth proportional to 107,648,210.76, 148,748,852.10 and 76,654,571.88 is: 105,921,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,648,210.76 : 148,748,852.10 = 76,654,571.88 : x
  2. Step 2: Convert to fraction form
    107,648,210.76/148,748,852.10 = 76,654,571.88/x
  3. Step 3: Cross multiply
    107,648,210.76x = 148,748,852.10 × 76,654,571.88
  4. Step 4: Simplify right side
    107,648,210.76x = 11,402,279,575,366,938
  5. Step 5: Solve for x
    x = 11,402,279,575,366,938/107,648,210.76
  6. Step 6: Final answer
    x = 105,921,682.25

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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.