Home / 245,333,677.80-368,000,516.70-142,021,547.40

Finding the Fourth Proportional to 245,333,677.80, 368,000,516.70 and 142,021,547.40

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Solution

The fourth proportional to 245,333,677.80, 368,000,516.70 and 142,021,547.40 is: 213,032,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,333,677.80 : 368,000,516.70 = 142,021,547.40 : x
  2. Step 2: Convert to fraction form
    245,333,677.80/368,000,516.70 = 142,021,547.40/x
  3. Step 3: Cross multiply
    245,333,677.80x = 368,000,516.70 × 142,021,547.40
  4. Step 4: Simplify right side
    245,333,677.80x = 52,264,002,825,733,544
  5. Step 5: Solve for x
    x = 52,264,002,825,733,544/245,333,677.80
  6. Step 6: Final answer
    x = 213,032,321.10

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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.