Home / 286,536,528.65-395,418,032.55-161,089,283.74

Finding the Fourth Proportional to 286,536,528.65, 395,418,032.55 and 161,089,283.74

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Solution

The fourth proportional to 286,536,528.65, 395,418,032.55 and 161,089,283.74 is: 222,301,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,536,528.65 : 395,418,032.55 = 161,089,283.74 : x
  2. Step 2: Convert to fraction form
    286,536,528.65/395,418,032.55 = 161,089,283.74/x
  3. Step 3: Cross multiply
    286,536,528.65x = 395,418,032.55 × 161,089,283.74
  4. Step 4: Simplify right side
    286,536,528.65x = 63,697,607,641,249,696
  5. Step 5: Solve for x
    x = 63,697,607,641,249,696/286,536,528.65
  6. Step 6: Final answer
    x = 222,301,875.24

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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.