Home / 83,968,830.40-126,009,996.63-29,381,888.81

Finding the Fourth Proportional to 83,968,830.40, 126,009,996.63 and 29,381,888.81

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Solution

The fourth proportional to 83,968,830.40, 126,009,996.63 and 29,381,888.81 is: 44,092,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,968,830.40 : 126,009,996.63 = 29,381,888.81 : x
  2. Step 2: Convert to fraction form
    83,968,830.40/126,009,996.63 = 29,381,888.81/x
  3. Step 3: Cross multiply
    83,968,830.40x = 126,009,996.63 × 29,381,888.81
  4. Step 4: Simplify right side
    83,968,830.40x = 3,702,411,710,135,977.50
  5. Step 5: Solve for x
    x = 3,702,411,710,135,977.50/83,968,830.40
  6. Step 6: Final answer
    x = 44,092,691.21

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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.