Home / 157,464,298.40-236,196,447.60-76,842,730.40

Finding the Fourth Proportional to 157,464,298.40, 236,196,447.60 and 76,842,730.40

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Solution

The fourth proportional to 157,464,298.40, 236,196,447.60 and 76,842,730.40 is: 115,264,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,298.40 : 236,196,447.60 = 76,842,730.40 : x
  2. Step 2: Convert to fraction form
    157,464,298.40/236,196,447.60 = 76,842,730.40/x
  3. Step 3: Cross multiply
    157,464,298.40x = 236,196,447.60 × 76,842,730.40
  4. Step 4: Simplify right side
    157,464,298.40x = 18,149,979,944,364,528
  5. Step 5: Solve for x
    x = 18,149,979,944,364,528/157,464,298.40
  6. Step 6: Final answer
    x = 115,264,095.60

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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.