Home / 190,900,501.20-286,350,751.80-103,730,891.18

Finding the Fourth Proportional to 190,900,501.20, 286,350,751.80 and 103,730,891.18

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Solution

The fourth proportional to 190,900,501.20, 286,350,751.80 and 103,730,891.18 is: 155,596,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,900,501.20 : 286,350,751.80 = 103,730,891.18 : x
  2. Step 2: Convert to fraction form
    190,900,501.20/286,350,751.80 = 103,730,891.18/x
  3. Step 3: Cross multiply
    190,900,501.20x = 286,350,751.80 × 103,730,891.18
  4. Step 4: Simplify right side
    190,900,501.20x = 29,703,418,672,845,236
  5. Step 5: Solve for x
    x = 29,703,418,672,845,236/190,900,501.20
  6. Step 6: Final answer
    x = 155,596,336.76

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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.