Home / 157,788,321.60-236,682,482.40-42,772,679.40

Finding the Fourth Proportional to 157,788,321.60, 236,682,482.40 and 42,772,679.40

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Solution

The fourth proportional to 157,788,321.60, 236,682,482.40 and 42,772,679.40 is: 64,159,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,788,321.60 : 236,682,482.40 = 42,772,679.40 : x
  2. Step 2: Convert to fraction form
    157,788,321.60/236,682,482.40 = 42,772,679.40/x
  3. Step 3: Cross multiply
    157,788,321.60x = 236,682,482.40 × 42,772,679.40
  4. Step 4: Simplify right side
    157,788,321.60x = 10,123,543,939,291,342
  5. Step 5: Solve for x
    x = 10,123,543,939,291,342/157,788,321.60
  6. Step 6: Final answer
    x = 64,159,019.10

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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.