Home / 99,069,617.80-148,604,426.70-53,153,115.40

Finding the Fourth Proportional to 99,069,617.80, 148,604,426.70 and 53,153,115.40

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Solution

The fourth proportional to 99,069,617.80, 148,604,426.70 and 53,153,115.40 is: 79,729,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,069,617.80 : 148,604,426.70 = 53,153,115.40 : x
  2. Step 2: Convert to fraction form
    99,069,617.80/148,604,426.70 = 53,153,115.40/x
  3. Step 3: Cross multiply
    99,069,617.80x = 148,604,426.70 × 53,153,115.40
  4. Step 4: Simplify right side
    99,069,617.80x = 7,898,788,241,335,940
  5. Step 5: Solve for x
    x = 7,898,788,241,335,940/99,069,617.80
  6. Step 6: Final answer
    x = 79,729,673.10

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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.