Home / 135,516,155.36-187,013,478.48-73,636,492.64

Finding the Fourth Proportional to 135,516,155.36, 187,013,478.48 and 73,636,492.64

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Solution

The fourth proportional to 135,516,155.36, 187,013,478.48 and 73,636,492.64 is: 101,619,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,516,155.36 : 187,013,478.48 = 73,636,492.64 : x
  2. Step 2: Convert to fraction form
    135,516,155.36/187,013,478.48 = 73,636,492.64/x
  3. Step 3: Cross multiply
    135,516,155.36x = 187,013,478.48 × 73,636,492.64
  4. Step 4: Simplify right side
    135,516,155.36x = 13,771,016,631,673,318
  5. Step 5: Solve for x
    x = 13,771,016,631,673,318/135,516,155.36
  6. Step 6: Final answer
    x = 101,619,003.25

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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.