Home / 310,069,816.90-465,172,828.02-91,703,134.53

Finding the Fourth Proportional to 310,069,816.90, 465,172,828.02 and 91,703,134.53

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Solution

The fourth proportional to 310,069,816.90, 465,172,828.02 and 91,703,134.53 is: 137,574,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,069,816.90 : 465,172,828.02 = 91,703,134.53 : x
  2. Step 2: Convert to fraction form
    310,069,816.90/465,172,828.02 = 91,703,134.53/x
  3. Step 3: Cross multiply
    310,069,816.90x = 465,172,828.02 × 91,703,134.53
  4. Step 4: Simplify right side
    310,069,816.90x = 42,657,806,427,618,616
  5. Step 5: Solve for x
    x = 42,657,806,427,618,616/310,069,816.90
  6. Step 6: Final answer
    x = 137,574,843.16

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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.