Home / 145,638,672.30-218,272,004.10-59,279,509.80

Finding the Fourth Proportional to 145,638,672.30, 218,272,004.10 and 59,279,509.80

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Solution

The fourth proportional to 145,638,672.30, 218,272,004.10 and 59,279,509.80 is: 88,843,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,638,672.30 : 218,272,004.10 = 59,279,509.80 : x
  2. Step 2: Convert to fraction form
    145,638,672.30/218,272,004.10 = 59,279,509.80/x
  3. Step 3: Cross multiply
    145,638,672.30x = 218,272,004.10 × 59,279,509.80
  4. Step 4: Simplify right side
    145,638,672.30x = 12,939,057,406,111,590
  5. Step 5: Solve for x
    x = 12,939,057,406,111,590/145,638,672.30
  6. Step 6: Final answer
    x = 88,843,555.09

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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.