Home / 346,478,862.48-519,783,841.08-139,233,406.20

Finding the Fourth Proportional to 346,478,862.48, 519,783,841.08 and 139,233,406.20

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Solution

The fourth proportional to 346,478,862.48, 519,783,841.08 and 139,233,406.20 is: 208,876,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,478,862.48 : 519,783,841.08 = 139,233,406.20 : x
  2. Step 2: Convert to fraction form
    346,478,862.48/519,783,841.08 = 139,233,406.20/x
  3. Step 3: Cross multiply
    346,478,862.48x = 519,783,841.08 × 139,233,406.20
  4. Step 4: Simplify right side
    346,478,862.48x = 72,371,274,681,287,872
  5. Step 5: Solve for x
    x = 72,371,274,681,287,872/346,478,862.48
  6. Step 6: Final answer
    x = 208,876,449.67

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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.