Home / 261,528,000.72-360,908,639.64-151,583,486.64

Finding the Fourth Proportional to 261,528,000.72, 360,908,639.64 and 151,583,486.64

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Solution

The fourth proportional to 261,528,000.72, 360,908,639.64 and 151,583,486.64 is: 209,185,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,528,000.72 : 360,908,639.64 = 151,583,486.64 : x
  2. Step 2: Convert to fraction form
    261,528,000.72/360,908,639.64 = 151,583,486.64/x
  3. Step 3: Cross multiply
    261,528,000.72x = 360,908,639.64 × 151,583,486.64
  4. Step 4: Simplify right side
    261,528,000.72x = 54,707,789,955,130,504
  5. Step 5: Solve for x
    x = 54,707,789,955,130,504/261,528,000.72
  6. Step 6: Final answer
    x = 209,185,210.78

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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.