Home / 116,640,365.40-174,960,548.10-86,407,277.40

Finding the Fourth Proportional to 116,640,365.40, 174,960,548.10 and 86,407,277.40

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Solution

The fourth proportional to 116,640,365.40, 174,960,548.10 and 86,407,277.40 is: 129,610,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,365.40 : 174,960,548.10 = 86,407,277.40 : x
  2. Step 2: Convert to fraction form
    116,640,365.40/174,960,548.10 = 86,407,277.40/x
  3. Step 3: Cross multiply
    116,640,365.40x = 174,960,548.10 × 86,407,277.40
  4. Step 4: Simplify right side
    116,640,365.40x = 15,117,864,613,732,744
  5. Step 5: Solve for x
    x = 15,117,864,613,732,744/116,640,365.40
  6. Step 6: Final answer
    x = 129,610,916.10

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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.