Home / 135,477,182.79-186,943,518.48-75,124,659.23

Finding the Fourth Proportional to 135,477,182.79, 186,943,518.48 and 75,124,659.23

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Solution

The fourth proportional to 135,477,182.79, 186,943,518.48 and 75,124,659.23 is: 103,663,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,477,182.79 : 186,943,518.48 = 75,124,659.23 : x
  2. Step 2: Convert to fraction form
    135,477,182.79/186,943,518.48 = 75,124,659.23/x
  3. Step 3: Cross multiply
    135,477,182.79x = 186,943,518.48 × 75,124,659.23
  4. Step 4: Simplify right side
    135,477,182.79x = 14,044,068,120,132,488
  5. Step 5: Solve for x
    x = 14,044,068,120,132,488/135,477,182.79
  6. Step 6: Final answer
    x = 103,663,715.40

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1.5x scale

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.