Home / 70,524,970.38-97,319,122.65-39,579,160.95

Finding the Fourth Proportional to 70,524,970.38, 97,319,122.65 and 39,579,160.95

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Solution

The fourth proportional to 70,524,970.38, 97,319,122.65 and 39,579,160.95 is: 54,616,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,524,970.38 : 97,319,122.65 = 39,579,160.95 : x
  2. Step 2: Convert to fraction form
    70,524,970.38/97,319,122.65 = 39,579,160.95/x
  3. Step 3: Cross multiply
    70,524,970.38x = 97,319,122.65 × 39,579,160.95
  4. Step 4: Simplify right side
    70,524,970.38x = 3,851,809,218,877,141
  5. Step 5: Solve for x
    x = 3,851,809,218,877,141/70,524,970.38
  6. Step 6: Final answer
    x = 54,616,247.24

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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.