Home / 112,506,125.88-155,249,068.86-104,280,206.52

Finding the Fourth Proportional to 112,506,125.88, 155,249,068.86 and 104,280,206.52

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Solution

The fourth proportional to 112,506,125.88, 155,249,068.86 and 104,280,206.52 is: 143,897,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,506,125.88 : 155,249,068.86 = 104,280,206.52 : x
  2. Step 2: Convert to fraction form
    112,506,125.88/155,249,068.86 = 104,280,206.52/x
  3. Step 3: Cross multiply
    112,506,125.88x = 155,249,068.86 × 104,280,206.52
  4. Step 4: Simplify right side
    112,506,125.88x = 16,189,404,962,758,502
  5. Step 5: Solve for x
    x = 16,189,404,962,758,502/112,506,125.88
  6. Step 6: Final answer
    x = 143,897,986.32

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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.