Home / 123,527,128.60-185,357,048.10-51,730,802.20

Finding the Fourth Proportional to 123,527,128.60, 185,357,048.10 and 51,730,802.20

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Solution

The fourth proportional to 123,527,128.60, 185,357,048.10 and 51,730,802.20 is: 77,623,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,527,128.60 : 185,357,048.10 = 51,730,802.20 : x
  2. Step 2: Convert to fraction form
    123,527,128.60/185,357,048.10 = 51,730,802.20/x
  3. Step 3: Cross multiply
    123,527,128.60x = 185,357,048.10 × 51,730,802.20
  4. Step 4: Simplify right side
    123,527,128.60x = 9,588,668,791,636,986
  5. Step 5: Solve for x
    x = 9,588,668,791,636,986/123,527,128.60
  6. Step 6: Final answer
    x = 77,623,991.59

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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.