Home / 70,689,905.40-106,034,858.10-36,677,681.40

Finding the Fourth Proportional to 70,689,905.40, 106,034,858.10 and 36,677,681.40

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Solution

The fourth proportional to 70,689,905.40, 106,034,858.10 and 36,677,681.40 is: 55,016,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,689,905.40 : 106,034,858.10 = 36,677,681.40 : x
  2. Step 2: Convert to fraction form
    70,689,905.40/106,034,858.10 = 36,677,681.40/x
  3. Step 3: Cross multiply
    70,689,905.40x = 106,034,858.10 × 36,677,681.40
  4. Step 4: Simplify right side
    70,689,905.40x = 3,889,112,742,686,009
  5. Step 5: Solve for x
    x = 3,889,112,742,686,009/70,689,905.40
  6. Step 6: Final answer
    x = 55,016,522.10

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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.