Home / 200,097,701.32-299,938,459.74-77,360,319.40

Finding the Fourth Proportional to 200,097,701.32, 299,938,459.74 and 77,360,319.40

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Solution

The fourth proportional to 200,097,701.32, 299,938,459.74 and 77,360,319.40 is: 115,960,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,097,701.32 : 299,938,459.74 = 77,360,319.40 : x
  2. Step 2: Convert to fraction form
    200,097,701.32/299,938,459.74 = 77,360,319.40/x
  3. Step 3: Cross multiply
    200,097,701.32x = 299,938,459.74 × 77,360,319.40
  4. Step 4: Simplify right side
    200,097,701.32x = 23,203,335,045,830,444
  5. Step 5: Solve for x
    x = 23,203,335,045,830,444/200,097,701.32
  6. Step 6: Final answer
    x = 115,960,027.99

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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.