Home / 293,320,830.40-439,477,360.80-139,635,966.40

Finding the Fourth Proportional to 293,320,830.40, 439,477,360.80 and 139,635,966.40

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Solution

The fourth proportional to 293,320,830.40, 439,477,360.80 and 139,635,966.40 is: 209,214,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,320,830.40 : 439,477,360.80 = 139,635,966.40 : x
  2. Step 2: Convert to fraction form
    293,320,830.40/439,477,360.80 = 139,635,966.40/x
  3. Step 3: Cross multiply
    293,320,830.40x = 439,477,360.80 × 139,635,966.40
  4. Step 4: Simplify right side
    293,320,830.40x = 61,366,845,986,229,480
  5. Step 5: Solve for x
    x = 61,366,845,986,229,480/293,320,830.40
  6. Step 6: Final answer
    x = 209,214,074.24

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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.