Home / 110,584,428.80-165,876,643.20-70,223,878.40

Finding the Fourth Proportional to 110,584,428.80, 165,876,643.20 and 70,223,878.40

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Solution

The fourth proportional to 110,584,428.80, 165,876,643.20 and 70,223,878.40 is: 105,335,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,584,428.80 : 165,876,643.20 = 70,223,878.40 : x
  2. Step 2: Convert to fraction form
    110,584,428.80/165,876,643.20 = 70,223,878.40/x
  3. Step 3: Cross multiply
    110,584,428.80x = 165,876,643.20 × 70,223,878.40
  4. Step 4: Simplify right side
    110,584,428.80x = 11,648,501,221,476,988
  5. Step 5: Solve for x
    x = 11,648,501,221,476,988/110,584,428.80
  6. Step 6: Final answer
    x = 105,335,817.60

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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.