Home / 443,232,854.40-664,849,281.60-136,485,109.20

Finding the Fourth Proportional to 443,232,854.40, 664,849,281.60 and 136,485,109.20

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Solution

The fourth proportional to 443,232,854.40, 664,849,281.60 and 136,485,109.20 is: 204,727,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,854.40 : 664,849,281.60 = 136,485,109.20 : x
  2. Step 2: Convert to fraction form
    443,232,854.40/664,849,281.60 = 136,485,109.20/x
  3. Step 3: Cross multiply
    443,232,854.40x = 664,849,281.60 × 136,485,109.20
  4. Step 4: Simplify right side
    443,232,854.40x = 90,742,026,800,717,552
  5. Step 5: Solve for x
    x = 90,742,026,800,717,552/443,232,854.40
  6. Step 6: Final answer
    x = 204,727,663.80

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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.