Home / 70,731,624,719.21-97,609,136,742.29-38,616,985,823.81

Finding the Fourth Proportional to 70,731,624,719.21, 97,609,136,742.29 and 38,616,985,823.81

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Solution

The fourth proportional to 70,731,624,719.21, 97,609,136,742.29 and 38,616,985,823.81 is: 53,291,164,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,731,624,719.21 : 97,609,136,742.29 = 38,616,985,823.81 : x
  2. Step 2: Convert to fraction form
    70,731,624,719.21/97,609,136,742.29 = 38,616,985,823.81/x
  3. Step 3: Cross multiply
    70,731,624,719.21x = 97,609,136,742.29 × 38,616,985,823.81
  4. Step 4: Simplify right side
    70,731,624,719.21x = 3,769,370,649,850,895,400,960
  5. Step 5: Solve for x
    x = 3,769,370,649,850,895,400,960/70,731,624,719.21
  6. Step 6: Final answer
    x = 53,291,164,522.44

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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.