Home / 125,746,998.40-188,720,030.40-49,106,742.40

Finding the Fourth Proportional to 125,746,998.40, 188,720,030.40 and 49,106,742.40

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Solution

The fourth proportional to 125,746,998.40, 188,720,030.40 and 49,106,742.40 is: 73,698,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,746,998.40 : 188,720,030.40 = 49,106,742.40 : x
  2. Step 2: Convert to fraction form
    125,746,998.40/188,720,030.40 = 49,106,742.40/x
  3. Step 3: Cross multiply
    125,746,998.40x = 188,720,030.40 × 49,106,742.40
  4. Step 4: Simplify right side
    125,746,998.40x = 9,267,425,918,572,968
  5. Step 5: Solve for x
    x = 9,267,425,918,572,968/125,746,998.40
  6. Step 6: Final answer
    x = 73,698,983.17

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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.