Home / 125,565,980.40-188,352,513.50-34,689,569.40

Finding the Fourth Proportional to 125,565,980.40, 188,352,513.50 and 34,689,569.40

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Solution

The fourth proportional to 125,565,980.40, 188,352,513.50 and 34,689,569.40 is: 52,035,332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,565,980.40 : 188,352,513.50 = 34,689,569.40 : x
  2. Step 2: Convert to fraction form
    125,565,980.40/188,352,513.50 = 34,689,569.40/x
  3. Step 3: Cross multiply
    125,565,980.40x = 188,352,513.50 × 34,689,569.40
  4. Step 4: Simplify right side
    125,565,980.40x = 6,533,867,588,549,239
  5. Step 5: Solve for x
    x = 6,533,867,588,549,239/125,565,980.40
  6. Step 6: Final answer
    x = 52,035,332.88

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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.