Home / 105,141,805.80-157,712,708.70-74,530,804.20

Finding the Fourth Proportional to 105,141,805.80, 157,712,708.70 and 74,530,804.20

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Solution

The fourth proportional to 105,141,805.80, 157,712,708.70 and 74,530,804.20 is: 111,796,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,141,805.80 : 157,712,708.70 = 74,530,804.20 : x
  2. Step 2: Convert to fraction form
    105,141,805.80/157,712,708.70 = 74,530,804.20/x
  3. Step 3: Cross multiply
    105,141,805.80x = 157,712,708.70 × 74,530,804.20
  4. Step 4: Simplify right side
    105,141,805.80x = 11,754,455,011,971,336
  5. Step 5: Solve for x
    x = 11,754,455,011,971,336/105,141,805.80
  6. Step 6: Final answer
    x = 111,796,206.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.