Home / 131,909,637.11-197,662,681.22-70,507,534.46

Finding the Fourth Proportional to 131,909,637.11, 197,662,681.22 and 70,507,534.46

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Solution

The fourth proportional to 131,909,637.11, 197,662,681.22 and 70,507,534.46 is: 105,653,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,909,637.11 : 197,662,681.22 = 70,507,534.46 : x
  2. Step 2: Convert to fraction form
    131,909,637.11/197,662,681.22 = 70,507,534.46/x
  3. Step 3: Cross multiply
    131,909,637.11x = 197,662,681.22 × 70,507,534.46
  4. Step 4: Simplify right side
    131,909,637.11x = 13,936,708,306,234,294
  5. Step 5: Solve for x
    x = 13,936,708,306,234,294/131,909,637.11
  6. Step 6: Final answer
    x = 105,653,450.44

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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.