Home / 100,692,021.60-151,038,032.40-89,345,282.40

Finding the Fourth Proportional to 100,692,021.60, 151,038,032.40 and 89,345,282.40

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Solution

The fourth proportional to 100,692,021.60, 151,038,032.40 and 89,345,282.40 is: 134,017,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,692,021.60 : 151,038,032.40 = 89,345,282.40 : x
  2. Step 2: Convert to fraction form
    100,692,021.60/151,038,032.40 = 89,345,282.40/x
  3. Step 3: Cross multiply
    100,692,021.60x = 151,038,032.40 × 89,345,282.40
  4. Step 4: Simplify right side
    100,692,021.60x = 13,494,535,657,918,352
  5. Step 5: Solve for x
    x = 13,494,535,657,918,352/100,692,021.60
  6. Step 6: Final answer
    x = 134,017,923.60

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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.