Home / 201,074,587.60-301,611,881.40-71,828,136.40

Finding the Fourth Proportional to 201,074,587.60, 301,611,881.40 and 71,828,136.40

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Solution

The fourth proportional to 201,074,587.60, 301,611,881.40 and 71,828,136.40 is: 107,742,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,074,587.60 : 301,611,881.40 = 71,828,136.40 : x
  2. Step 2: Convert to fraction form
    201,074,587.60/301,611,881.40 = 71,828,136.40/x
  3. Step 3: Cross multiply
    201,074,587.60x = 301,611,881.40 × 71,828,136.40
  4. Step 4: Simplify right side
    201,074,587.60x = 21,664,219,357,059,824
  5. Step 5: Solve for x
    x = 21,664,219,357,059,824/201,074,587.60
  6. Step 6: Final answer
    x = 107,742,204.60

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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.