Home / 99,072,003.80-148,608,005.70-53,155,501.40

Finding the Fourth Proportional to 99,072,003.80, 148,608,005.70 and 53,155,501.40

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Solution

The fourth proportional to 99,072,003.80, 148,608,005.70 and 53,155,501.40 is: 79,733,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,003.80 : 148,608,005.70 = 53,155,501.40 : x
  2. Step 2: Convert to fraction form
    99,072,003.80/148,608,005.70 = 53,155,501.40/x
  3. Step 3: Cross multiply
    99,072,003.80x = 148,608,005.70 × 53,155,501.40
  4. Step 4: Simplify right side
    99,072,003.80x = 7,899,333,055,037,557
  5. Step 5: Solve for x
    x = 7,899,333,055,037,557/99,072,003.80
  6. Step 6: Final answer
    x = 79,733,252.10

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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.