Home / 135,516,161.36-187,013,486.76-73,636,498.64

Finding the Fourth Proportional to 135,516,161.36, 187,013,486.76 and 73,636,498.64

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Solution

The fourth proportional to 135,516,161.36, 187,013,486.76 and 73,636,498.64 is: 101,619,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,516,161.36 : 187,013,486.76 = 73,636,498.64 : x
  2. Step 2: Convert to fraction form
    135,516,161.36/187,013,486.76 = 73,636,498.64/x
  3. Step 3: Cross multiply
    135,516,161.36x = 187,013,486.76 × 73,636,498.64
  4. Step 4: Simplify right side
    135,516,161.36x = 13,771,018,363,464,398
  5. Step 5: Solve for x
    x = 13,771,018,363,464,398/135,516,161.36
  6. Step 6: Final answer
    x = 101,619,011.53

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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.