Home / 111,513,495.87-153,879,602.20-64,473,587.40

Finding the Fourth Proportional to 111,513,495.87, 153,879,602.20 and 64,473,587.40

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Solution

The fourth proportional to 111,513,495.87, 153,879,602.20 and 64,473,587.40 is: 88,968,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,513,495.87 : 153,879,602.20 = 64,473,587.40 : x
  2. Step 2: Convert to fraction form
    111,513,495.87/153,879,602.20 = 64,473,587.40/x
  3. Step 3: Cross multiply
    111,513,495.87x = 153,879,602.20 × 64,473,587.40
  4. Step 4: Simplify right side
    111,513,495.87x = 9,921,169,980,749,534
  5. Step 5: Solve for x
    x = 9,921,169,980,749,534/111,513,495.87
  6. Step 6: Final answer
    x = 88,968,334.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.