Home / 106,997,484.48-147,701,726.28-72,237,256.80

Finding the Fourth Proportional to 106,997,484.48, 147,701,726.28 and 72,237,256.80

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Solution

The fourth proportional to 106,997,484.48, 147,701,726.28 and 72,237,256.80 is: 99,717,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,997,484.48 : 147,701,726.28 = 72,237,256.80 : x
  2. Step 2: Convert to fraction form
    106,997,484.48/147,701,726.28 = 72,237,256.80/x
  3. Step 3: Cross multiply
    106,997,484.48x = 147,701,726.28 × 72,237,256.80
  4. Step 4: Simplify right side
    106,997,484.48x = 10,669,567,531,091,668
  5. Step 5: Solve for x
    x = 10,669,567,531,091,668/106,997,484.48
  6. Step 6: Final answer
    x = 99,717,928.72

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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.