Home / 97,124,900.40-145,687,350.60-70,021,409.40

Finding the Fourth Proportional to 97,124,900.40, 145,687,350.60 and 70,021,409.40

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Solution

The fourth proportional to 97,124,900.40, 145,687,350.60 and 70,021,409.40 is: 105,032,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,124,900.40 : 145,687,350.60 = 70,021,409.40 : x
  2. Step 2: Convert to fraction form
    97,124,900.40/145,687,350.60 = 70,021,409.40/x
  3. Step 3: Cross multiply
    97,124,900.40x = 145,687,350.60 × 70,021,409.40
  4. Step 4: Simplify right side
    97,124,900.40x = 10,201,233,620,763,936
  5. Step 5: Solve for x
    x = 10,201,233,620,763,936/97,124,900.40
  6. Step 6: Final answer
    x = 105,032,114.10

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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.