Home / 157,402,312.40-236,103,468.60-80,874,808.40

Finding the Fourth Proportional to 157,402,312.40, 236,103,468.60 and 80,874,808.40

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Solution

The fourth proportional to 157,402,312.40, 236,103,468.60 and 80,874,808.40 is: 121,312,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,402,312.40 : 236,103,468.60 = 80,874,808.40 : x
  2. Step 2: Convert to fraction form
    157,402,312.40/236,103,468.60 = 80,874,808.40/x
  3. Step 3: Cross multiply
    157,402,312.40x = 236,103,468.60 × 80,874,808.40
  4. Step 4: Simplify right side
    157,402,312.40x = 19,094,822,785,600,416
  5. Step 5: Solve for x
    x = 19,094,822,785,600,416/157,402,312.40
  6. Step 6: Final answer
    x = 121,312,212.60

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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.