Home / 131,154,602.40-196,731,903.60-40,266,381.60

Finding the Fourth Proportional to 131,154,602.40, 196,731,903.60 and 40,266,381.60

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Solution

The fourth proportional to 131,154,602.40, 196,731,903.60 and 40,266,381.60 is: 60,399,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,154,602.40 : 196,731,903.60 = 40,266,381.60 : x
  2. Step 2: Convert to fraction form
    131,154,602.40/196,731,903.60 = 40,266,381.60/x
  3. Step 3: Cross multiply
    131,154,602.40x = 196,731,903.60 × 40,266,381.60
  4. Step 4: Simplify right side
    131,154,602.40x = 7,921,681,903,252,014
  5. Step 5: Solve for x
    x = 7,921,681,903,252,014/131,154,602.40
  6. Step 6: Final answer
    x = 60,399,572.40

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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.