Home / 212,316,492.74-318,493,130.36-64,797,240.80

Finding the Fourth Proportional to 212,316,492.74, 318,493,130.36 and 64,797,240.80

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Solution

The fourth proportional to 212,316,492.74, 318,493,130.36 and 64,797,240.80 is: 97,201,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,316,492.74 : 318,493,130.36 = 64,797,240.80 : x
  2. Step 2: Convert to fraction form
    212,316,492.74/318,493,130.36 = 64,797,240.80/x
  3. Step 3: Cross multiply
    212,316,492.74x = 318,493,130.36 × 64,797,240.80
  4. Step 4: Simplify right side
    212,316,492.74x = 20,637,476,061,554,960
  5. Step 5: Solve for x
    x = 20,637,476,061,554,960/212,316,492.74
  6. Step 6: Final answer
    x = 97,201,474.06

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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.