Home / 161,878,673.60-242,818,010.40-113,411,254.40

Finding the Fourth Proportional to 161,878,673.60, 242,818,010.40 and 113,411,254.40

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Solution

The fourth proportional to 161,878,673.60, 242,818,010.40 and 113,411,254.40 is: 170,116,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,878,673.60 : 242,818,010.40 = 113,411,254.40 : x
  2. Step 2: Convert to fraction form
    161,878,673.60/242,818,010.40 = 113,411,254.40/x
  3. Step 3: Cross multiply
    161,878,673.60x = 242,818,010.40 × 113,411,254.40
  4. Step 4: Simplify right side
    161,878,673.60x = 27,538,295,150,376,248
  5. Step 5: Solve for x
    x = 27,538,295,150,376,248/161,878,673.60
  6. Step 6: Final answer
    x = 170,116,881.60

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1.5x scale

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.