Home / 70,819,984,546.56-97,731,673,908.48-40,745,865,902.40

Finding the Fourth Proportional to 70,819,984,546.56, 97,731,673,908.48 and 40,745,865,902.40

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Solution

The fourth proportional to 70,819,984,546.56, 97,731,673,908.48 and 40,745,865,902.40 is: 56,229,349,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,819,984,546.56 : 97,731,673,908.48 = 40,745,865,902.40 : x
  2. Step 2: Convert to fraction form
    70,819,984,546.56/97,731,673,908.48 = 40,745,865,902.40/x
  3. Step 3: Cross multiply
    70,819,984,546.56x = 97,731,673,908.48 × 40,745,865,902.40
  4. Step 4: Simplify right side
    70,819,984,546.56x = 3,982,161,679,492,010,999,808
  5. Step 5: Solve for x
    x = 3,982,161,679,492,010,999,808/70,819,984,546.56
  6. Step 6: Final answer
    x = 56,229,349,737.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.