Home / 213,046,417.07-319,287,113.02-109,411,436.26

Finding the Fourth Proportional to 213,046,417.07, 319,287,113.02 and 109,411,436.26

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Solution

The fourth proportional to 213,046,417.07, 319,287,113.02 and 109,411,436.26 is: 163,972,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,046,417.07 : 319,287,113.02 = 109,411,436.26 : x
  2. Step 2: Convert to fraction form
    213,046,417.07/319,287,113.02 = 109,411,436.26/x
  3. Step 3: Cross multiply
    213,046,417.07x = 319,287,113.02 × 109,411,436.26
  4. Step 4: Simplify right side
    213,046,417.07x = 34,933,661,614,827,144
  5. Step 5: Solve for x
    x = 34,933,661,614,827,144/213,046,417.07
  6. Step 6: Final answer
    x = 163,972,068.13

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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.