Home / 121,113,693.60-181,712,530.80-53,005,264.80

Finding the Fourth Proportional to 121,113,693.60, 181,712,530.80 and 53,005,264.80

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Solution

The fourth proportional to 121,113,693.60, 181,712,530.80 and 53,005,264.80 is: 79,526,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,113,693.60 : 181,712,530.80 = 53,005,264.80 : x
  2. Step 2: Convert to fraction form
    121,113,693.60/181,712,530.80 = 53,005,264.80/x
  3. Step 3: Cross multiply
    121,113,693.60x = 181,712,530.80 × 53,005,264.80
  4. Step 4: Simplify right side
    121,113,693.60x = 9,631,720,812,532,156
  5. Step 5: Solve for x
    x = 9,631,720,812,532,156/121,113,693.60
  6. Step 6: Final answer
    x = 79,526,274.25

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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.