Home / 209,952,429.30-314,928,643.95-73,651,590.90

Finding the Fourth Proportional to 209,952,429.30, 314,928,643.95 and 73,651,590.90

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Solution

The fourth proportional to 209,952,429.30, 314,928,643.95 and 73,651,590.90 is: 110,477,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,429.30 : 314,928,643.95 = 73,651,590.90 : x
  2. Step 2: Convert to fraction form
    209,952,429.30/314,928,643.95 = 73,651,590.90/x
  3. Step 3: Cross multiply
    209,952,429.30x = 314,928,643.95 × 73,651,590.90
  4. Step 4: Simplify right side
    209,952,429.30x = 23,194,995,646,897,160
  5. Step 5: Solve for x
    x = 23,194,995,646,897,160/209,952,429.30
  6. Step 6: Final answer
    x = 110,477,386.35

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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.