Home / 103,680,602.70-155,520,904.05-83,525,210.70

Finding the Fourth Proportional to 103,680,602.70, 155,520,904.05 and 83,525,210.70

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Solution

The fourth proportional to 103,680,602.70, 155,520,904.05 and 83,525,210.70 is: 125,287,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680,602.70 : 155,520,904.05 = 83,525,210.70 : x
  2. Step 2: Convert to fraction form
    103,680,602.70/155,520,904.05 = 83,525,210.70/x
  3. Step 3: Cross multiply
    103,680,602.70x = 155,520,904.05 × 83,525,210.70
  4. Step 4: Simplify right side
    103,680,602.70x = 12,989,916,279,030,734
  5. Step 5: Solve for x
    x = 12,989,916,279,030,734/103,680,602.70
  6. Step 6: Final answer
    x = 125,287,816.05

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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.