Home / 77,526,274.58-106,988,541-42,721,207.02

Finding the Fourth Proportional to 77,526,274.58, 106,988,541 and 42,721,207.02

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Solution

The fourth proportional to 77,526,274.58, 106,988,541 and 42,721,207.02 is: 58,956,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,526,274.58 : 106,988,541 = 42,721,207.02 : x
  2. Step 2: Convert to fraction form
    77,526,274.58/106,988,541 = 42,721,207.02/x
  3. Step 3: Cross multiply
    77,526,274.58x = 106,988,541 × 42,721,207.02
  4. Step 4: Simplify right side
    77,526,274.58x = 4,570,679,608,828,758
  5. Step 5: Solve for x
    x = 4,570,679,608,828,758/77,526,274.58
  6. Step 6: Final answer
    x = 58,956,523.24

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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.