Home / 107,818,681.60-161,784,009.60-47,240,531.20

Finding the Fourth Proportional to 107,818,681.60, 161,784,009.60 and 47,240,531.20

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Solution

The fourth proportional to 107,818,681.60, 161,784,009.60 and 47,240,531.20 is: 70,885,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,818,681.60 : 161,784,009.60 = 47,240,531.20 : x
  2. Step 2: Convert to fraction form
    107,818,681.60/161,784,009.60 = 47,240,531.20/x
  3. Step 3: Cross multiply
    107,818,681.60x = 161,784,009.60 × 47,240,531.20
  4. Step 4: Simplify right side
    107,818,681.60x = 7,642,762,553,169,900
  5. Step 5: Solve for x
    x = 7,642,762,553,169,900/107,818,681.60
  6. Step 6: Final answer
    x = 70,885,327.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.