Home / 103,478,432.40-155,217,648.60-35,323,347.60

Finding the Fourth Proportional to 103,478,432.40, 155,217,648.60 and 35,323,347.60

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Solution

The fourth proportional to 103,478,432.40, 155,217,648.60 and 35,323,347.60 is: 52,985,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,478,432.40 : 155,217,648.60 = 35,323,347.60 : x
  2. Step 2: Convert to fraction form
    103,478,432.40/155,217,648.60 = 35,323,347.60/x
  3. Step 3: Cross multiply
    103,478,432.40x = 155,217,648.60 × 35,323,347.60
  4. Step 4: Simplify right side
    103,478,432.40x = 5,482,806,955,152,453
  5. Step 5: Solve for x
    x = 5,482,806,955,152,453/103,478,432.40
  6. Step 6: Final answer
    x = 52,985,021.40

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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.