Home / 105,008,970.90-157,466,217.15-40,291,266.90

Finding the Fourth Proportional to 105,008,970.90, 157,466,217.15 and 40,291,266.90

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Solution

The fourth proportional to 105,008,970.90, 157,466,217.15 and 40,291,266.90 is: 60,418,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008,970.90 : 157,466,217.15 = 40,291,266.90 : x
  2. Step 2: Convert to fraction form
    105,008,970.90/157,466,217.15 = 40,291,266.90/x
  3. Step 3: Cross multiply
    105,008,970.90x = 157,466,217.15 × 40,291,266.90
  4. Step 4: Simplify right side
    105,008,970.90x = 6,344,513,382,924,007
  5. Step 5: Solve for x
    x = 6,344,513,382,924,007/105,008,970.90
  6. Step 6: Final answer
    x = 60,418,774.97

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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.