Home / 150,426,409.56-207,557,359.45-86,845,646.94

Finding the Fourth Proportional to 150,426,409.56, 207,557,359.45 and 86,845,646.94

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Solution

The fourth proportional to 150,426,409.56, 207,557,359.45 and 86,845,646.94 is: 119,829,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,426,409.56 : 207,557,359.45 = 86,845,646.94 : x
  2. Step 2: Convert to fraction form
    150,426,409.56/207,557,359.45 = 86,845,646.94/x
  3. Step 3: Cross multiply
    150,426,409.56x = 207,557,359.45 × 86,845,646.94
  4. Step 4: Simplify right side
    150,426,409.56x = 18,025,453,159,302,160
  5. Step 5: Solve for x
    x = 18,025,453,159,302,160/150,426,409.56
  6. Step 6: Final answer
    x = 119,829,046.05

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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.