Home / 99,446,916.60-149,170,374.90-90,837,572.40

Finding the Fourth Proportional to 99,446,916.60, 149,170,374.90 and 90,837,572.40

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Solution

The fourth proportional to 99,446,916.60, 149,170,374.90 and 90,837,572.40 is: 136,256,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,446,916.60 : 149,170,374.90 = 90,837,572.40 : x
  2. Step 2: Convert to fraction form
    99,446,916.60/149,170,374.90 = 90,837,572.40/x
  3. Step 3: Cross multiply
    99,446,916.60x = 149,170,374.90 × 90,837,572.40
  4. Step 4: Simplify right side
    99,446,916.60x = 13,550,274,729,913,894
  5. Step 5: Solve for x
    x = 13,550,274,729,913,894/99,446,916.60
  6. Step 6: Final answer
    x = 136,256,358.60

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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.