Home / 74,688,394.04-103,077,331.43-45,317,421.44

Finding the Fourth Proportional to 74,688,394.04, 103,077,331.43 and 45,317,421.44

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Solution

The fourth proportional to 74,688,394.04, 103,077,331.43 and 45,317,421.44 is: 62,542,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,688,394.04 : 103,077,331.43 = 45,317,421.44 : x
  2. Step 2: Convert to fraction form
    74,688,394.04/103,077,331.43 = 45,317,421.44/x
  3. Step 3: Cross multiply
    74,688,394.04x = 103,077,331.43 × 45,317,421.44
  4. Step 4: Simplify right side
    74,688,394.04x = 4,671,198,868,808,482
  5. Step 5: Solve for x
    x = 4,671,198,868,808,482/74,688,394.04
  6. Step 6: Final answer
    x = 62,542,499.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.