Home / 82,974,782.48-124,461,172.36-21,558,506

Finding the Fourth Proportional to 82,974,782.48, 124,461,172.36 and 21,558,506

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Solution

The fourth proportional to 82,974,782.48, 124,461,172.36 and 21,558,506 is: 32,337,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,974,782.48 : 124,461,172.36 = 21,558,506 : x
  2. Step 2: Convert to fraction form
    82,974,782.48/124,461,172.36 = 21,558,506/x
  3. Step 3: Cross multiply
    82,974,782.48x = 124,461,172.36 × 21,558,506
  4. Step 4: Simplify right side
    82,974,782.48x = 2,683,196,931,090,094
  5. Step 5: Solve for x
    x = 2,683,196,931,090,094/82,974,782.48
  6. Step 6: Final answer
    x = 32,337,498.83

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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.