Home / 157,525,008.60-236,287,512.90-42,509,366.40

Finding the Fourth Proportional to 157,525,008.60, 236,287,512.90 and 42,509,366.40

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Solution

The fourth proportional to 157,525,008.60, 236,287,512.90 and 42,509,366.40 is: 63,764,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,525,008.60 : 236,287,512.90 = 42,509,366.40 : x
  2. Step 2: Convert to fraction form
    157,525,008.60/236,287,512.90 = 42,509,366.40/x
  3. Step 3: Cross multiply
    157,525,008.60x = 236,287,512.90 × 42,509,366.40
  4. Step 4: Simplify right side
    157,525,008.60x = 10,044,432,461,610,826
  5. Step 5: Solve for x
    x = 10,044,432,461,610,826/157,525,008.60
  6. Step 6: Final answer
    x = 63,764,049.60

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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.