Home / 105,007,432.80-144,910,284-57,964,533.12

Finding the Fourth Proportional to 105,007,432.80, 144,910,284 and 57,964,533.12

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Solution

The fourth proportional to 105,007,432.80, 144,910,284 and 57,964,533.12 is: 79,991,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007,432.80 : 144,910,284 = 57,964,533.12 : x
  2. Step 2: Convert to fraction form
    105,007,432.80/144,910,284 = 57,964,533.12/x
  3. Step 3: Cross multiply
    105,007,432.80x = 144,910,284 × 57,964,533.12
  4. Step 4: Simplify right side
    105,007,432.80x = 8,399,656,956,346,606
  5. Step 5: Solve for x
    x = 8,399,656,956,346,606/105,007,432.80
  6. Step 6: Final answer
    x = 79,991,070.46

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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.