Home / 145,791,526.40-201,192,667.04-79,716,293.12

Finding the Fourth Proportional to 145,791,526.40, 201,192,667.04 and 79,716,293.12

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Solution

The fourth proportional to 145,791,526.40, 201,192,667.04 and 79,716,293.12 is: 110,008,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,791,526.40 : 201,192,667.04 = 79,716,293.12 : x
  2. Step 2: Convert to fraction form
    145,791,526.40/201,192,667.04 = 79,716,293.12/x
  3. Step 3: Cross multiply
    145,791,526.40x = 201,192,667.04 × 79,716,293.12
  4. Step 4: Simplify right side
    145,791,526.40x = 16,038,333,619,355,204
  5. Step 5: Solve for x
    x = 16,038,333,619,355,204/145,791,526.40
  6. Step 6: Final answer
    x = 110,008,681.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.