Home / 341,376,075.60-512,064,113.40-86,074,443.60

Finding the Fourth Proportional to 341,376,075.60, 512,064,113.40 and 86,074,443.60

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Solution

The fourth proportional to 341,376,075.60, 512,064,113.40 and 86,074,443.60 is: 129,111,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,376,075.60 : 512,064,113.40 = 86,074,443.60 : x
  2. Step 2: Convert to fraction form
    341,376,075.60/512,064,113.40 = 86,074,443.60/x
  3. Step 3: Cross multiply
    341,376,075.60x = 512,064,113.40 × 86,074,443.60
  4. Step 4: Simplify right side
    341,376,075.60x = 44,075,633,648,432,296
  5. Step 5: Solve for x
    x = 44,075,633,648,432,296/341,376,075.60
  6. Step 6: Final answer
    x = 129,111,665.40

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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.