Home / 82,059,411-122,891,860.38-46,938,079.08

Finding the Fourth Proportional to 82,059,411, 122,891,860.38 and 46,938,079.08

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Solution

The fourth proportional to 82,059,411, 122,891,860.38 and 46,938,079.08 is: 70,294,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,059,411 : 122,891,860.38 = 46,938,079.08 : x
  2. Step 2: Convert to fraction form
    82,059,411/122,891,860.38 = 46,938,079.08/x
  3. Step 3: Cross multiply
    82,059,411x = 122,891,860.38 × 46,938,079.08
  4. Step 4: Simplify right side
    82,059,411x = 5,768,307,860,804,758
  5. Step 5: Solve for x
    x = 5,768,307,860,804,758/82,059,411
  6. Step 6: Final answer
    x = 70,294,287.89

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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.