Home / 105,548,059.16-145,656,223.56-59,138,645

Finding the Fourth Proportional to 105,548,059.16, 145,656,223.56 and 59,138,645

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Solution

The fourth proportional to 105,548,059.16, 145,656,223.56 and 59,138,645 is: 81,611,275.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,548,059.16 : 145,656,223.56 = 59,138,645 : x
  2. Step 2: Convert to fraction form
    105,548,059.16/145,656,223.56 = 59,138,645/x
  3. Step 3: Cross multiply
    105,548,059.16x = 145,656,223.56 × 59,138,645
  4. Step 4: Simplify right side
    105,548,059.16x = 8,613,911,697,155,476
  5. Step 5: Solve for x
    x = 8,613,911,697,155,476/105,548,059.16
  6. Step 6: Final answer
    x = 81,611,275.15

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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.