Home / 162,413,913.40-243,620,870.10-97,843,831.90

Finding the Fourth Proportional to 162,413,913.40, 243,620,870.10 and 97,843,831.90

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Solution

The fourth proportional to 162,413,913.40, 243,620,870.10 and 97,843,831.90 is: 146,765,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,413,913.40 : 243,620,870.10 = 97,843,831.90 : x
  2. Step 2: Convert to fraction form
    162,413,913.40/243,620,870.10 = 97,843,831.90/x
  3. Step 3: Cross multiply
    162,413,913.40x = 243,620,870.10 × 97,843,831.90
  4. Step 4: Simplify right side
    162,413,913.40x = 23,836,799,461,396,136
  5. Step 5: Solve for x
    x = 23,836,799,461,396,136/162,413,913.40
  6. Step 6: Final answer
    x = 146,765,747.85

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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.