Home / 66,461,036.10-99,616,904.55-28,116,024.90

Finding the Fourth Proportional to 66,461,036.10, 99,616,904.55 and 28,116,024.90

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Solution

The fourth proportional to 66,461,036.10, 99,616,904.55 and 28,116,024.90 is: 42,142,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,461,036.10 : 99,616,904.55 = 28,116,024.90 : x
  2. Step 2: Convert to fraction form
    66,461,036.10/99,616,904.55 = 28,116,024.90/x
  3. Step 3: Cross multiply
    66,461,036.10x = 99,616,904.55 × 28,116,024.90
  4. Step 4: Simplify right side
    66,461,036.10x = 2,800,831,368,788,723
  5. Step 5: Solve for x
    x = 2,800,831,368,788,723/66,461,036.10
  6. Step 6: Final answer
    x = 42,142,457.19

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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.