Home / 103,359,533,630.40-155,039,300,445.60-86,829,592,766.40

Finding the Fourth Proportional to 103,359,533,630.40, 155,039,300,445.60 and 86,829,592,766.40

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Solution

The fourth proportional to 103,359,533,630.40, 155,039,300,445.60 and 86,829,592,766.40 is: 130,244,389,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,359,533,630.40 : 155,039,300,445.60 = 86,829,592,766.40 : x
  2. Step 2: Convert to fraction form
    103,359,533,630.40/155,039,300,445.60 = 86,829,592,766.40/x
  3. Step 3: Cross multiply
    103,359,533,630.40x = 155,039,300,445.60 × 86,829,592,766.40
  4. Step 4: Simplify right side
    103,359,533,630.40x = 13,461,999,320,478,984,962,048
  5. Step 5: Solve for x
    x = 13,461,999,320,478,984,962,048/103,359,533,630.40
  6. Step 6: Final answer
    x = 130,244,389,149.60

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1.5x scale

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.