Home / 66,902,143.90-92,341,929.44-45,717,503.22

Finding the Fourth Proportional to 66,902,143.90, 92,341,929.44 and 45,717,503.22

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Solution

The fourth proportional to 66,902,143.90, 92,341,929.44 and 45,717,503.22 is: 63,101,751.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,902,143.90 : 92,341,929.44 = 45,717,503.22 : x
  2. Step 2: Convert to fraction form
    66,902,143.90/92,341,929.44 = 45,717,503.22/x
  3. Step 3: Cross multiply
    66,902,143.90x = 92,341,929.44 × 45,717,503.22
  4. Step 4: Simplify right side
    66,902,143.90x = 4,221,642,456,628,506
  5. Step 5: Solve for x
    x = 4,221,642,456,628,506/66,902,143.90
  6. Step 6: Final answer
    x = 63,101,751.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.