Home / 287,756,607.60-431,638,849.08-93,668,844.24

Finding the Fourth Proportional to 287,756,607.60, 431,638,849.08 and 93,668,844.24

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Solution

The fourth proportional to 287,756,607.60, 431,638,849.08 and 93,668,844.24 is: 140,504,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,756,607.60 : 431,638,849.08 = 93,668,844.24 : x
  2. Step 2: Convert to fraction form
    287,756,607.60/431,638,849.08 = 93,668,844.24/x
  3. Step 3: Cross multiply
    287,756,607.60x = 431,638,849.08 × 93,668,844.24
  4. Step 4: Simplify right side
    287,756,607.60x = 40,431,112,122,407,384
  5. Step 5: Solve for x
    x = 40,431,112,122,407,384/287,756,607.60
  6. Step 6: Final answer
    x = 140,504,548.13

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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.