Home / 100,298,465.40-150,447,698.10-42,902,837.40

Finding the Fourth Proportional to 100,298,465.40, 150,447,698.10 and 42,902,837.40

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Solution

The fourth proportional to 100,298,465.40, 150,447,698.10 and 42,902,837.40 is: 64,354,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,298,465.40 : 150,447,698.10 = 42,902,837.40 : x
  2. Step 2: Convert to fraction form
    100,298,465.40/150,447,698.10 = 42,902,837.40/x
  3. Step 3: Cross multiply
    100,298,465.40x = 150,447,698.10 × 42,902,837.40
  4. Step 4: Simplify right side
    100,298,465.40x = 6,454,633,128,788,588
  5. Step 5: Solve for x
    x = 6,454,633,128,788,588/100,298,465.40
  6. Step 6: Final answer
    x = 64,354,256.10

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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.