Home / 86,436,897.34-129,655,564.71-35,318,916.16

Finding the Fourth Proportional to 86,436,897.34, 129,655,564.71 and 35,318,916.16

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Solution

The fourth proportional to 86,436,897.34, 129,655,564.71 and 35,318,916.16 is: 52,978,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,436,897.34 : 129,655,564.71 = 35,318,916.16 : x
  2. Step 2: Convert to fraction form
    86,436,897.34/129,655,564.71 = 35,318,916.16/x
  3. Step 3: Cross multiply
    86,436,897.34x = 129,655,564.71 × 35,318,916.16
  4. Step 4: Simplify right side
    86,436,897.34x = 4,579,294,019,669,944
  5. Step 5: Solve for x
    x = 4,579,294,019,669,944/86,436,897.34
  6. Step 6: Final answer
    x = 52,978,463.60

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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.