Home / 164,835,563.40-247,253,345.10-42,013,643.40

Finding the Fourth Proportional to 164,835,563.40, 247,253,345.10 and 42,013,643.40

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Solution

The fourth proportional to 164,835,563.40, 247,253,345.10 and 42,013,643.40 is: 63,020,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,835,563.40 : 247,253,345.10 = 42,013,643.40 : x
  2. Step 2: Convert to fraction form
    164,835,563.40/247,253,345.10 = 42,013,643.40/x
  3. Step 3: Cross multiply
    164,835,563.40x = 247,253,345.10 × 42,013,643.40
  4. Step 4: Simplify right side
    164,835,563.40x = 10,388,013,870,488,536
  5. Step 5: Solve for x
    x = 10,388,013,870,488,536/164,835,563.40
  6. Step 6: Final answer
    x = 63,020,465.10

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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.