Home / 261,001,112.07-360,190,880.15-143,535,526.86

Finding the Fourth Proportional to 261,001,112.07, 360,190,880.15 and 143,535,526.86

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Solution

The fourth proportional to 261,001,112.07, 360,190,880.15 and 143,535,526.86 is: 198,084,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,001,112.07 : 360,190,880.15 = 143,535,526.86 : x
  2. Step 2: Convert to fraction form
    261,001,112.07/360,190,880.15 = 143,535,526.86/x
  3. Step 3: Cross multiply
    261,001,112.07x = 360,190,880.15 × 143,535,526.86
  4. Step 4: Simplify right side
    261,001,112.07x = 51,700,187,751,779,688
  5. Step 5: Solve for x
    x = 51,700,187,751,779,688/261,001,112.07
  6. Step 6: Final answer
    x = 198,084,166.55

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1.5x scale

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.