Home / 145,575,751.40-218,363,627.10-69,048,247.40

Finding the Fourth Proportional to 145,575,751.40, 218,363,627.10 and 69,048,247.40

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Solution

The fourth proportional to 145,575,751.40, 218,363,627.10 and 69,048,247.40 is: 103,572,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,575,751.40 : 218,363,627.10 = 69,048,247.40 : x
  2. Step 2: Convert to fraction form
    145,575,751.40/218,363,627.10 = 69,048,247.40/x
  3. Step 3: Cross multiply
    145,575,751.40x = 218,363,627.10 × 69,048,247.40
  4. Step 4: Simplify right side
    145,575,751.40x = 15,077,625,747,162,146
  5. Step 5: Solve for x
    x = 15,077,625,747,162,146/145,575,751.40
  6. Step 6: Final answer
    x = 103,572,371.10

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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.