Home / 209,742,746.49-314,626,730.72-64,177,569.01

Finding the Fourth Proportional to 209,742,746.49, 314,626,730.72 and 64,177,569.01

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Solution

The fourth proportional to 209,742,746.49, 314,626,730.72 and 64,177,569.01 is: 96,270,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,742,746.49 : 314,626,730.72 = 64,177,569.01 : x
  2. Step 2: Convert to fraction form
    209,742,746.49/314,626,730.72 = 64,177,569.01/x
  3. Step 3: Cross multiply
    209,742,746.49x = 314,626,730.72 × 64,177,569.01
  4. Step 4: Simplify right side
    209,742,746.49x = 20,191,978,721,279,464
  5. Step 5: Solve for x
    x = 20,191,978,721,279,464/209,742,746.49
  6. Step 6: Final answer
    x = 96,270,212.24

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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.