Home / 163,699,605.40-245,549,408.10-98,970,091.60

Finding the Fourth Proportional to 163,699,605.40, 245,549,408.10 and 98,970,091.60

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Solution

The fourth proportional to 163,699,605.40, 245,549,408.10 and 98,970,091.60 is: 148,455,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,699,605.40 : 245,549,408.10 = 98,970,091.60 : x
  2. Step 2: Convert to fraction form
    163,699,605.40/245,549,408.10 = 98,970,091.60/x
  3. Step 3: Cross multiply
    163,699,605.40x = 245,549,408.10 × 98,970,091.60
  4. Step 4: Simplify right side
    163,699,605.40x = 24,302,047,411,982,780
  5. Step 5: Solve for x
    x = 24,302,047,411,982,780/163,699,605.40
  6. Step 6: Final answer
    x = 148,455,137.40

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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.