Home / 153,377,353.80-230,066,030.70-72,755,785.80

Finding the Fourth Proportional to 153,377,353.80, 230,066,030.70 and 72,755,785.80

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Solution

The fourth proportional to 153,377,353.80, 230,066,030.70 and 72,755,785.80 is: 109,133,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,377,353.80 : 230,066,030.70 = 72,755,785.80 : x
  2. Step 2: Convert to fraction form
    153,377,353.80/230,066,030.70 = 72,755,785.80/x
  3. Step 3: Cross multiply
    153,377,353.80x = 230,066,030.70 × 72,755,785.80
  4. Step 4: Simplify right side
    153,377,353.80x = 16,738,634,849,465,422
  5. Step 5: Solve for x
    x = 16,738,634,849,465,422/153,377,353.80
  6. Step 6: Final answer
    x = 109,133,678.70

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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.