Home / 341,642,372.70-512,413,792.65-99,280,004.70

Finding the Fourth Proportional to 341,642,372.70, 512,413,792.65 and 99,280,004.70

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Solution

The fourth proportional to 341,642,372.70, 512,413,792.65 and 99,280,004.70 is: 148,905,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,642,372.70 : 512,413,792.65 = 99,280,004.70 : x
  2. Step 2: Convert to fraction form
    341,642,372.70/512,413,792.65 = 99,280,004.70/x
  3. Step 3: Cross multiply
    341,642,372.70x = 512,413,792.65 × 99,280,004.70
  4. Step 4: Simplify right side
    341,642,372.70x = 50,872,443,742,636,824
  5. Step 5: Solve for x
    x = 50,872,443,742,636,824/341,642,372.70
  6. Step 6: Final answer
    x = 148,905,545.12

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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.