Home / 66,429,091.60-99,643,637.40-23,346,941.20

Finding the Fourth Proportional to 66,429,091.60, 99,643,637.40 and 23,346,941.20

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Solution

The fourth proportional to 66,429,091.60, 99,643,637.40 and 23,346,941.20 is: 35,020,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,091.60 : 99,643,637.40 = 23,346,941.20 : x
  2. Step 2: Convert to fraction form
    66,429,091.60/99,643,637.40 = 23,346,941.20/x
  3. Step 3: Cross multiply
    66,429,091.60x = 99,643,637.40 × 23,346,941.20
  4. Step 4: Simplify right side
    66,429,091.60x = 2,326,374,143,331,921
  5. Step 5: Solve for x
    x = 2,326,374,143,331,921/66,429,091.60
  6. Step 6: Final answer
    x = 35,020,411.80

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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.