Home / 357,142,802.70-535,716,009.85-111,478,844.33

Finding the Fourth Proportional to 357,142,802.70, 535,716,009.85 and 111,478,844.33

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Solution

The fourth proportional to 357,142,802.70, 535,716,009.85 and 111,478,844.33 is: 167,218,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,142,802.70 : 535,716,009.85 = 111,478,844.33 : x
  2. Step 2: Convert to fraction form
    357,142,802.70/535,716,009.85 = 111,478,844.33/x
  3. Step 3: Cross multiply
    357,142,802.70x = 535,716,009.85 × 111,478,844.33
  4. Step 4: Simplify right side
    357,142,802.70x = 59,721,001,666,420,360
  5. Step 5: Solve for x
    x = 59,721,001,666,420,360/357,142,802.70
  6. Step 6: Final answer
    x = 167,218,830.16

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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.