Home / 187,151,909.40-280,746,623.70-64,314,048.60

Finding the Fourth Proportional to 187,151,909.40, 280,746,623.70 and 64,314,048.60

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Solution

The fourth proportional to 187,151,909.40, 280,746,623.70 and 64,314,048.60 is: 96,477,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,151,909.40 : 280,746,623.70 = 64,314,048.60 : x
  2. Step 2: Convert to fraction form
    187,151,909.40/280,746,623.70 = 64,314,048.60/x
  3. Step 3: Cross multiply
    187,151,909.40x = 280,746,623.70 × 64,314,048.60
  4. Step 4: Simplify right side
    187,151,909.40x = 18,055,952,000,927,712
  5. Step 5: Solve for x
    x = 18,055,952,000,927,712/187,151,909.40
  6. Step 6: Final answer
    x = 96,477,519.57

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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.