Home / 191,718,057.60-287,577,086.40-89,492,428.80

Finding the Fourth Proportional to 191,718,057.60, 287,577,086.40 and 89,492,428.80

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Solution

The fourth proportional to 191,718,057.60, 287,577,086.40 and 89,492,428.80 is: 134,238,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,718,057.60 : 287,577,086.40 = 89,492,428.80 : x
  2. Step 2: Convert to fraction form
    191,718,057.60/287,577,086.40 = 89,492,428.80/x
  3. Step 3: Cross multiply
    191,718,057.60x = 287,577,086.40 × 89,492,428.80
  4. Step 4: Simplify right side
    191,718,057.60x = 25,735,971,929,163,444
  5. Step 5: Solve for x
    x = 25,735,971,929,163,444/191,718,057.60
  6. Step 6: Final answer
    x = 134,238,643.20

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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.