Home / 228,662,756.16-342,801,320.20-99,172,838.40

Finding the Fourth Proportional to 228,662,756.16, 342,801,320.20 and 99,172,838.40

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Solution

The fourth proportional to 228,662,756.16, 342,801,320.20 and 99,172,838.40 is: 148,675,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,662,756.16 : 342,801,320.20 = 99,172,838.40 : x
  2. Step 2: Convert to fraction form
    228,662,756.16/342,801,320.20 = 99,172,838.40/x
  3. Step 3: Cross multiply
    228,662,756.16x = 342,801,320.20 × 99,172,838.40
  4. Step 4: Simplify right side
    228,662,756.16x = 33,996,579,931,501,256
  5. Step 5: Solve for x
    x = 33,996,579,931,501,256/228,662,756.16
  6. Step 6: Final answer
    x = 148,675,632.63

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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.