Home / 145,155,998.40-217,733,997.60-64,534,430.40

Finding the Fourth Proportional to 145,155,998.40, 217,733,997.60 and 64,534,430.40

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Solution

The fourth proportional to 145,155,998.40, 217,733,997.60 and 64,534,430.40 is: 96,801,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,155,998.40 : 217,733,997.60 = 64,534,430.40 : x
  2. Step 2: Convert to fraction form
    145,155,998.40/217,733,997.60 = 64,534,430.40/x
  3. Step 3: Cross multiply
    145,155,998.40x = 217,733,997.60 × 64,534,430.40
  4. Step 4: Simplify right side
    145,155,998.40x = 14,051,339,513,830,966
  5. Step 5: Solve for x
    x = 14,051,339,513,830,966/145,155,998.40
  6. Step 6: Final answer
    x = 96,801,645.60

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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.