Home / 191,838,312.01-287,633,741.53-75,265,449.27

Finding the Fourth Proportional to 191,838,312.01, 287,633,741.53 and 75,265,449.27

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Solution

The fourth proportional to 191,838,312.01, 287,633,741.53 and 75,265,449.27 is: 112,849,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,838,312.01 : 287,633,741.53 = 75,265,449.27 : x
  2. Step 2: Convert to fraction form
    191,838,312.01/287,633,741.53 = 75,265,449.27/x
  3. Step 3: Cross multiply
    191,838,312.01x = 287,633,741.53 × 75,265,449.27
  4. Step 4: Simplify right side
    191,838,312.01x = 21,648,882,781,466,504
  5. Step 5: Solve for x
    x = 21,648,882,781,466,504/191,838,312.01
  6. Step 6: Final answer
    x = 112,849,631.31

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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.