Home / 100,849,967.65-151,160,200.14-61,371,149.08

Finding the Fourth Proportional to 100,849,967.65, 151,160,200.14 and 61,371,149.08

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Solution

The fourth proportional to 100,849,967.65, 151,160,200.14 and 61,371,149.08 is: 91,986,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,849,967.65 : 151,160,200.14 = 61,371,149.08 : x
  2. Step 2: Convert to fraction form
    100,849,967.65/151,160,200.14 = 61,371,149.08/x
  3. Step 3: Cross multiply
    100,849,967.65x = 151,160,200.14 × 61,371,149.08
  4. Step 4: Simplify right side
    100,849,967.65x = 9,276,875,177,754,576
  5. Step 5: Solve for x
    x = 9,276,875,177,754,576/100,849,967.65
  6. Step 6: Final answer
    x = 91,986,892.95

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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.