Home / 191,630,252.25-287,447,681.95-53,447,448.44

Finding the Fourth Proportional to 191,630,252.25, 287,447,681.95 and 53,447,448.44

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Solution

The fourth proportional to 191,630,252.25, 287,447,681.95 and 53,447,448.44 is: 80,171,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,630,252.25 : 287,447,681.95 = 53,447,448.44 : x
  2. Step 2: Convert to fraction form
    191,630,252.25/287,447,681.95 = 53,447,448.44/x
  3. Step 3: Cross multiply
    191,630,252.25x = 287,447,681.95 × 53,447,448.44
  4. Step 4: Simplify right side
    191,630,252.25x = 15,363,345,160,805,144
  5. Step 5: Solve for x
    x = 15,363,345,160,805,144/191,630,252.25
  6. Step 6: Final answer
    x = 80,171,815.15

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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.