Home / 219,814,539.40-329,721,809.10-66,444,603.40

Finding the Fourth Proportional to 219,814,539.40, 329,721,809.10 and 66,444,603.40

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Solution

The fourth proportional to 219,814,539.40, 329,721,809.10 and 66,444,603.40 is: 99,666,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,814,539.40 : 329,721,809.10 = 66,444,603.40 : x
  2. Step 2: Convert to fraction form
    219,814,539.40/329,721,809.10 = 66,444,603.40/x
  3. Step 3: Cross multiply
    219,814,539.40x = 329,721,809.10 × 66,444,603.40
  4. Step 4: Simplify right side
    219,814,539.40x = 21,908,234,837,980,012
  5. Step 5: Solve for x
    x = 21,908,234,837,980,012/219,814,539.40
  6. Step 6: Final answer
    x = 99,666,905.10

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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.