Home / 124,556,707.80-186,835,061.70-72,688,066.20

Finding the Fourth Proportional to 124,556,707.80, 186,835,061.70 and 72,688,066.20

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Solution

The fourth proportional to 124,556,707.80, 186,835,061.70 and 72,688,066.20 is: 109,032,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,556,707.80 : 186,835,061.70 = 72,688,066.20 : x
  2. Step 2: Convert to fraction form
    124,556,707.80/186,835,061.70 = 72,688,066.20/x
  3. Step 3: Cross multiply
    124,556,707.80x = 186,835,061.70 × 72,688,066.20
  4. Step 4: Simplify right side
    124,556,707.80x = 13,580,679,333,330,684
  5. Step 5: Solve for x
    x = 13,580,679,333,330,684/124,556,707.80
  6. Step 6: Final answer
    x = 109,032,099.30

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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.