Home / 191,663,999.70-287,495,999.55-89,627,327.70

Finding the Fourth Proportional to 191,663,999.70, 287,495,999.55 and 89,627,327.70

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Solution

The fourth proportional to 191,663,999.70, 287,495,999.55 and 89,627,327.70 is: 134,440,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,663,999.70 : 287,495,999.55 = 89,627,327.70 : x
  2. Step 2: Convert to fraction form
    191,663,999.70/287,495,999.55 = 89,627,327.70/x
  3. Step 3: Cross multiply
    191,663,999.70x = 287,495,999.55 × 89,627,327.70
  4. Step 4: Simplify right side
    191,663,999.70x = 25,767,498,164,106,904
  5. Step 5: Solve for x
    x = 25,767,498,164,106,904/191,663,999.70
  6. Step 6: Final answer
    x = 134,440,991.55

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1.5x scale

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.