Home / 191,255,730.30-286,405,298.55-152,991,978.30

Finding the Fourth Proportional to 191,255,730.30, 286,405,298.55 and 152,991,978.30

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Solution

The fourth proportional to 191,255,730.30, 286,405,298.55 and 152,991,978.30 is: 229,105,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,255,730.30 : 286,405,298.55 = 152,991,978.30 : x
  2. Step 2: Convert to fraction form
    191,255,730.30/286,405,298.55 = 152,991,978.30/x
  3. Step 3: Cross multiply
    191,255,730.30x = 286,405,298.55 × 152,991,978.30
  4. Step 4: Simplify right side
    191,255,730.30x = 43,817,713,220,766,624
  5. Step 5: Solve for x
    x = 43,817,713,220,766,624/191,255,730.30
  6. Step 6: Final answer
    x = 229,105,361.46

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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.