Home / 191,736,386.70-287,604,580.05-119,035,257.90

Finding the Fourth Proportional to 191,736,386.70, 287,604,580.05 and 119,035,257.90

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Solution

The fourth proportional to 191,736,386.70, 287,604,580.05 and 119,035,257.90 is: 178,552,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,736,386.70 : 287,604,580.05 = 119,035,257.90 : x
  2. Step 2: Convert to fraction form
    191,736,386.70/287,604,580.05 = 119,035,257.90/x
  3. Step 3: Cross multiply
    191,736,386.70x = 287,604,580.05 × 119,035,257.90
  4. Step 4: Simplify right side
    191,736,386.70x = 34,235,085,359,472,948
  5. Step 5: Solve for x
    x = 34,235,085,359,472,948/191,736,386.70
  6. Step 6: Final answer
    x = 178,552,886.85

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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.