Home / 170,384,332.80-255,402,316.80-83,989,862.40

Finding the Fourth Proportional to 170,384,332.80, 255,402,316.80 and 83,989,862.40

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Solution

The fourth proportional to 170,384,332.80, 255,402,316.80 and 83,989,862.40 is: 125,898,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,384,332.80 : 255,402,316.80 = 83,989,862.40 : x
  2. Step 2: Convert to fraction form
    170,384,332.80/255,402,316.80 = 83,989,862.40/x
  3. Step 3: Cross multiply
    170,384,332.80x = 255,402,316.80 × 83,989,862.40
  4. Step 4: Simplify right side
    170,384,332.80x = 21,451,205,444,673,212
  5. Step 5: Solve for x
    x = 21,451,205,444,673,212/170,384,332.80
  6. Step 6: Final answer
    x = 125,898,931.50

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1.5x scale

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.