Home / 98,971,984.80-148,457,977.20-53,055,482.40

Finding the Fourth Proportional to 98,971,984.80, 148,457,977.20 and 53,055,482.40

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Solution

The fourth proportional to 98,971,984.80, 148,457,977.20 and 53,055,482.40 is: 79,583,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,971,984.80 : 148,457,977.20 = 53,055,482.40 : x
  2. Step 2: Convert to fraction form
    98,971,984.80/148,457,977.20 = 53,055,482.40/x
  3. Step 3: Cross multiply
    98,971,984.80x = 148,457,977.20 × 53,055,482.40
  4. Step 4: Simplify right side
    98,971,984.80x = 7,876,509,596,474,200
  5. Step 5: Solve for x
    x = 7,876,509,596,474,200/98,971,984.80
  6. Step 6: Final answer
    x = 79,583,223.60

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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.