Home / 261,303,681.60-360,596,219.04-143,826,500.16

Finding the Fourth Proportional to 261,303,681.60, 360,596,219.04 and 143,826,500.16

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Solution

The fourth proportional to 261,303,681.60, 360,596,219.04 and 143,826,500.16 is: 198,478,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,303,681.60 : 360,596,219.04 = 143,826,500.16 : x
  2. Step 2: Convert to fraction form
    261,303,681.60/360,596,219.04 = 143,826,500.16/x
  3. Step 3: Cross multiply
    261,303,681.60x = 360,596,219.04 × 143,826,500.16
  4. Step 4: Simplify right side
    261,303,681.60x = 51,863,292,155,451,960
  5. Step 5: Solve for x
    x = 51,863,292,155,451,960/261,303,681.60
  6. Step 6: Final answer
    x = 198,478,995.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.