Home / 120,252,602.80-180,378,904.20-103,033,914.40

Finding the Fourth Proportional to 120,252,602.80, 180,378,904.20 and 103,033,914.40

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Solution

The fourth proportional to 120,252,602.80, 180,378,904.20 and 103,033,914.40 is: 154,550,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,252,602.80 : 180,378,904.20 = 103,033,914.40 : x
  2. Step 2: Convert to fraction form
    120,252,602.80/180,378,904.20 = 103,033,914.40/x
  3. Step 3: Cross multiply
    120,252,602.80x = 180,378,904.20 × 103,033,914.40
  4. Step 4: Simplify right side
    120,252,602.80x = 18,585,144,574,908,600
  5. Step 5: Solve for x
    x = 18,585,144,574,908,600/120,252,602.80
  6. Step 6: Final answer
    x = 154,550,871.60

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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.