Home / 82,558,862.55-113,931,303.21-45,389,775.22

Finding the Fourth Proportional to 82,558,862.55, 113,931,303.21 and 45,389,775.22

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Solution

The fourth proportional to 82,558,862.55, 113,931,303.21 and 45,389,775.22 is: 62,637,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,558,862.55 : 113,931,303.21 = 45,389,775.22 : x
  2. Step 2: Convert to fraction form
    82,558,862.55/113,931,303.21 = 45,389,775.22/x
  3. Step 3: Cross multiply
    82,558,862.55x = 113,931,303.21 × 45,389,775.22
  4. Step 4: Simplify right side
    82,558,862.55x = 5,171,316,242,938,736
  5. Step 5: Solve for x
    x = 5,171,316,242,938,736/82,558,862.55
  6. Step 6: Final answer
    x = 62,637,929.87

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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.