Home / 66,429,041.90-99,643,562.85-40,786,904.30

Finding the Fourth Proportional to 66,429,041.90, 99,643,562.85 and 40,786,904.30

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Solution

The fourth proportional to 66,429,041.90, 99,643,562.85 and 40,786,904.30 is: 61,180,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,041.90 : 99,643,562.85 = 40,786,904.30 : x
  2. Step 2: Convert to fraction form
    66,429,041.90/99,643,562.85 = 40,786,904.30/x
  3. Step 3: Cross multiply
    66,429,041.90x = 99,643,562.85 × 40,786,904.30
  4. Step 4: Simplify right side
    66,429,041.90x = 4,064,152,462,073,984.50
  5. Step 5: Solve for x
    x = 4,064,152,462,073,984.50/66,429,041.90
  6. Step 6: Final answer
    x = 61,180,356.45

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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.