Home / 99,144,004.40-148,716,006.60-97,128,465.20

Finding the Fourth Proportional to 99,144,004.40, 148,716,006.60 and 97,128,465.20

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Solution

The fourth proportional to 99,144,004.40, 148,716,006.60 and 97,128,465.20 is: 145,692,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,144,004.40 : 148,716,006.60 = 97,128,465.20 : x
  2. Step 2: Convert to fraction form
    99,144,004.40/148,716,006.60 = 97,128,465.20/x
  3. Step 3: Cross multiply
    99,144,004.40x = 148,716,006.60 × 97,128,465.20
  4. Step 4: Simplify right side
    99,144,004.40x = 14,444,557,471,731,070
  5. Step 5: Solve for x
    x = 14,444,557,471,731,070/99,144,004.40
  6. Step 6: Final answer
    x = 145,692,697.80

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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.