Home / 191,808,561.60-287,712,842.40-174,235,579.20

Finding the Fourth Proportional to 191,808,561.60, 287,712,842.40 and 174,235,579.20

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Solution

The fourth proportional to 191,808,561.60, 287,712,842.40 and 174,235,579.20 is: 261,353,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,808,561.60 : 287,712,842.40 = 174,235,579.20 : x
  2. Step 2: Convert to fraction form
    191,808,561.60/287,712,842.40 = 174,235,579.20/x
  3. Step 3: Cross multiply
    191,808,561.60x = 287,712,842.40 × 174,235,579.20
  4. Step 4: Simplify right side
    191,808,561.60x = 50,129,813,738,842,312
  5. Step 5: Solve for x
    x = 50,129,813,738,842,312/191,808,561.60
  6. Step 6: Final answer
    x = 261,353,368.80

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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.