Home / 103,572,947.04-142,929,964.08-57,163,200.48

Finding the Fourth Proportional to 103,572,947.04, 142,929,964.08 and 57,163,200.48

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Solution

The fourth proportional to 103,572,947.04, 142,929,964.08 and 57,163,200.48 is: 78,884,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,572,947.04 : 142,929,964.08 = 57,163,200.48 : x
  2. Step 2: Convert to fraction form
    103,572,947.04/142,929,964.08 = 57,163,200.48/x
  3. Step 3: Cross multiply
    103,572,947.04x = 142,929,964.08 × 57,163,200.48
  4. Step 4: Simplify right side
    103,572,947.04x = 8,170,334,191,304,239
  5. Step 5: Solve for x
    x = 8,170,334,191,304,239/103,572,947.04
  6. Step 6: Final answer
    x = 78,884,828.76

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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.