Home / 413,609,031.68-620,411,681.28-106,875,069.44

Finding the Fourth Proportional to 413,609,031.68, 620,411,681.28 and 106,875,069.44

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Solution

The fourth proportional to 413,609,031.68, 620,411,681.28 and 106,875,069.44 is: 160,312,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,609,031.68 : 620,411,681.28 = 106,875,069.44 : x
  2. Step 2: Convert to fraction form
    413,609,031.68/620,411,681.28 = 106,875,069.44/x
  3. Step 3: Cross multiply
    413,609,031.68x = 620,411,681.28 × 106,875,069.44
  4. Step 4: Simplify right side
    413,609,031.68x = 66,306,541,518,187,144
  5. Step 5: Solve for x
    x = 66,306,541,518,187,144/413,609,031.68
  6. Step 6: Final answer
    x = 160,312,121.93

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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.