Home / 43,143,897.40-64,715,846.10-31,097,901.40

Finding the Fourth Proportional to 43,143,897.40, 64,715,846.10 and 31,097,901.40

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Solution

The fourth proportional to 43,143,897.40, 64,715,846.10 and 31,097,901.40 is: 46,646,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143,897.40 : 64,715,846.10 = 31,097,901.40 : x
  2. Step 2: Convert to fraction form
    43,143,897.40/64,715,846.10 = 31,097,901.40/x
  3. Step 3: Cross multiply
    43,143,897.40x = 64,715,846.10 × 31,097,901.40
  4. Step 4: Simplify right side
    43,143,897.40x = 2,012,527,001,035,374.50
  5. Step 5: Solve for x
    x = 2,012,527,001,035,374.50/43,143,897.40
  6. Step 6: Final answer
    x = 46,646,852.10

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Double scale
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Similar ratio
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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.