Home / 74,688,003.20-112,032,004.80-17,954,307.20

Finding the Fourth Proportional to 74,688,003.20, 112,032,004.80 and 17,954,307.20

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Solution

The fourth proportional to 74,688,003.20, 112,032,004.80 and 17,954,307.20 is: 26,931,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,688,003.20 : 112,032,004.80 = 17,954,307.20 : x
  2. Step 2: Convert to fraction form
    74,688,003.20/112,032,004.80 = 17,954,307.20/x
  3. Step 3: Cross multiply
    74,688,003.20x = 112,032,004.80 × 17,954,307.20
  4. Step 4: Simplify right side
    74,688,003.20x = 2,011,457,030,411,074.50
  5. Step 5: Solve for x
    x = 2,011,457,030,411,074.50/74,688,003.20
  6. Step 6: Final answer
    x = 26,931,460.80

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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.