Home / 56,338,971.40-84,571,442.70-43,615,880.20

Finding the Fourth Proportional to 56,338,971.40, 84,571,442.70 and 43,615,880.20

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Solution

The fourth proportional to 56,338,971.40, 84,571,442.70 and 43,615,880.20 is: 65,472,581.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,338,971.40 : 84,571,442.70 = 43,615,880.20 : x
  2. Step 2: Convert to fraction form
    56,338,971.40/84,571,442.70 = 43,615,880.20/x
  3. Step 3: Cross multiply
    56,338,971.40x = 84,571,442.70 × 43,615,880.20
  4. Step 4: Simplify right side
    56,338,971.40x = 3,688,657,913,144,365
  5. Step 5: Solve for x
    x = 3,688,657,913,144,365/56,338,971.40
  6. Step 6: Final answer
    x = 65,472,581.79

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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.