Home / 209,953,130.10-314,929,695.15-133,614,582.90

Finding the Fourth Proportional to 209,953,130.10, 314,929,695.15 and 133,614,582.90

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Solution

The fourth proportional to 209,953,130.10, 314,929,695.15 and 133,614,582.90 is: 200,421,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,130.10 : 314,929,695.15 = 133,614,582.90 : x
  2. Step 2: Convert to fraction form
    209,953,130.10/314,929,695.15 = 133,614,582.90/x
  3. Step 3: Cross multiply
    209,953,130.10x = 314,929,695.15 × 133,614,582.90
  4. Step 4: Simplify right side
    209,953,130.10x = 42,079,199,860,291,400
  5. Step 5: Solve for x
    x = 42,079,199,860,291,400/209,953,130.10
  6. Step 6: Final answer
    x = 200,421,874.35

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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.