Home / 145,638,067.40-218,457,101.10-59,329,424.60

Finding the Fourth Proportional to 145,638,067.40, 218,457,101.10 and 59,329,424.60

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Solution

The fourth proportional to 145,638,067.40, 218,457,101.10 and 59,329,424.60 is: 88,994,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,638,067.40 : 218,457,101.10 = 59,329,424.60 : x
  2. Step 2: Convert to fraction form
    145,638,067.40/218,457,101.10 = 59,329,424.60/x
  3. Step 3: Cross multiply
    145,638,067.40x = 218,457,101.10 × 59,329,424.60
  4. Step 4: Simplify right side
    145,638,067.40x = 12,960,934,108,047,028
  5. Step 5: Solve for x
    x = 12,960,934,108,047,028/145,638,067.40
  6. Step 6: Final answer
    x = 88,994,136.90

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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.