Home / 90,224,638.47-124,506,667.08-48,970,645.11

Finding the Fourth Proportional to 90,224,638.47, 124,506,667.08 and 48,970,645.11

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Solution

The fourth proportional to 90,224,638.47, 124,506,667.08 and 48,970,645.11 is: 67,577,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224,638.47 : 124,506,667.08 = 48,970,645.11 : x
  2. Step 2: Convert to fraction form
    90,224,638.47/124,506,667.08 = 48,970,645.11/x
  3. Step 3: Cross multiply
    90,224,638.47x = 124,506,667.08 × 48,970,645.11
  4. Step 4: Simplify right side
    90,224,638.47x = 6,097,171,807,403,600
  5. Step 5: Solve for x
    x = 6,097,171,807,403,600/90,224,638.47
  6. Step 6: Final answer
    x = 67,577,680.67

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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.