Home / 85,248,085.80-127,725,162.30-39,716,495.40

Finding the Fourth Proportional to 85,248,085.80, 127,725,162.30 and 39,716,495.40

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Solution

The fourth proportional to 85,248,085.80, 127,725,162.30 and 39,716,495.40 is: 59,506,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248,085.80 : 127,725,162.30 = 39,716,495.40 : x
  2. Step 2: Convert to fraction form
    85,248,085.80/127,725,162.30 = 39,716,495.40/x
  3. Step 3: Cross multiply
    85,248,085.80x = 127,725,162.30 × 39,716,495.40
  4. Step 4: Simplify right side
    85,248,085.80x = 5,072,795,820,952,203
  5. Step 5: Solve for x
    x = 5,072,795,820,952,203/85,248,085.80
  6. Step 6: Final answer
    x = 59,506,272.47

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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.