Home / 71,242,033.58-98,314,195.60-38,646,985.58

Finding the Fourth Proportional to 71,242,033.58, 98,314,195.60 and 38,646,985.58

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Solution

The fourth proportional to 71,242,033.58, 98,314,195.60 and 38,646,985.58 is: 53,332,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,242,033.58 : 98,314,195.60 = 38,646,985.58 : x
  2. Step 2: Convert to fraction form
    71,242,033.58/98,314,195.60 = 38,646,985.58/x
  3. Step 3: Cross multiply
    71,242,033.58x = 98,314,195.60 × 38,646,985.58
  4. Step 4: Simplify right side
    71,242,033.58x = 3,799,547,299,662,499
  5. Step 5: Solve for x
    x = 3,799,547,299,662,499/71,242,033.58
  6. Step 6: Final answer
    x = 53,332,942.77

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1.5x scale

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.