Home / 77,526,275.58-106,988,542.38-42,721,208.02

Finding the Fourth Proportional to 77,526,275.58, 106,988,542.38 and 42,721,208.02

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Solution

The fourth proportional to 77,526,275.58, 106,988,542.38 and 42,721,208.02 is: 58,956,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,526,275.58 : 106,988,542.38 = 42,721,208.02 : x
  2. Step 2: Convert to fraction form
    77,526,275.58/106,988,542.38 = 42,721,208.02/x
  3. Step 3: Cross multiply
    77,526,275.58x = 106,988,542.38 × 42,721,208.02
  4. Step 4: Simplify right side
    77,526,275.58x = 4,570,679,774,772,566
  5. Step 5: Solve for x
    x = 4,570,679,774,772,566/77,526,275.58
  6. Step 6: Final answer
    x = 58,956,524.62

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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.