Home / 112,506,122.88-155,249,064.72-104,280,203.52

Finding the Fourth Proportional to 112,506,122.88, 155,249,064.72 and 104,280,203.52

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Solution

The fourth proportional to 112,506,122.88, 155,249,064.72 and 104,280,203.52 is: 143,897,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,506,122.88 : 155,249,064.72 = 104,280,203.52 : x
  2. Step 2: Convert to fraction form
    112,506,122.88/155,249,064.72 = 104,280,203.52/x
  3. Step 3: Cross multiply
    112,506,122.88x = 155,249,064.72 × 104,280,203.52
  4. Step 4: Simplify right side
    112,506,122.88x = 16,189,404,065,291,252
  5. Step 5: Solve for x
    x = 16,189,404,065,291,252/112,506,122.88
  6. Step 6: Final answer
    x = 143,897,982.18

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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.