Home / 149,139,242.60-223,695,060.94-70,337,681.14

Finding the Fourth Proportional to 149,139,242.60, 223,695,060.94 and 70,337,681.14

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Solution

The fourth proportional to 149,139,242.60, 223,695,060.94 and 70,337,681.14 is: 105,500,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,139,242.60 : 223,695,060.94 = 70,337,681.14 : x
  2. Step 2: Convert to fraction form
    149,139,242.60/223,695,060.94 = 70,337,681.14/x
  3. Step 3: Cross multiply
    149,139,242.60x = 223,695,060.94 × 70,337,681.14
  4. Step 4: Simplify right side
    149,139,242.60x = 15,734,191,868,990,588
  5. Step 5: Solve for x
    x = 15,734,191,868,990,588/149,139,242.60
  6. Step 6: Final answer
    x = 105,500,011.90

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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.