Home / 191,835,019.40-287,752,529.10-70,713,710.60

Finding the Fourth Proportional to 191,835,019.40, 287,752,529.10 and 70,713,710.60

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Solution

The fourth proportional to 191,835,019.40, 287,752,529.10 and 70,713,710.60 is: 106,070,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,835,019.40 : 287,752,529.10 = 70,713,710.60 : x
  2. Step 2: Convert to fraction form
    191,835,019.40/287,752,529.10 = 70,713,710.60/x
  3. Step 3: Cross multiply
    191,835,019.40x = 287,752,529.10 × 70,713,710.60
  4. Step 4: Simplify right side
    191,835,019.40x = 20,348,049,067,195,480
  5. Step 5: Solve for x
    x = 20,348,049,067,195,480/191,835,019.40
  6. Step 6: Final answer
    x = 106,070,565.90

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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.