Home / 103,048,473.20-154,572,709.80-89,018,430.80

Finding the Fourth Proportional to 103,048,473.20, 154,572,709.80 and 89,018,430.80

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Solution

The fourth proportional to 103,048,473.20, 154,572,709.80 and 89,018,430.80 is: 133,527,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,048,473.20 : 154,572,709.80 = 89,018,430.80 : x
  2. Step 2: Convert to fraction form
    103,048,473.20/154,572,709.80 = 89,018,430.80/x
  3. Step 3: Cross multiply
    103,048,473.20x = 154,572,709.80 × 89,018,430.80
  4. Step 4: Simplify right side
    103,048,473.20x = 13,759,820,070,899,782
  5. Step 5: Solve for x
    x = 13,759,820,070,899,782/103,048,473.20
  6. Step 6: Final answer
    x = 133,527,646.20

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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.