Home / 105,447,937.25-145,516,528.10-59,039,851.93

Finding the Fourth Proportional to 105,447,937.25, 145,516,528.10 and 59,039,851.93

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Solution

The fourth proportional to 105,447,937.25, 145,516,528.10 and 59,039,851.93 is: 81,474,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,447,937.25 : 145,516,528.10 = 59,039,851.93 : x
  2. Step 2: Convert to fraction form
    105,447,937.25/145,516,528.10 = 59,039,851.93/x
  3. Step 3: Cross multiply
    105,447,937.25x = 145,516,528.10 × 59,039,851.93
  4. Step 4: Simplify right side
    105,447,937.25x = 8,591,274,272,175,492
  5. Step 5: Solve for x
    x = 8,591,274,272,175,492/105,447,937.25
  6. Step 6: Final answer
    x = 81,474,085.66

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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.