Home / 153,001,412.59-211,135,802.84-83,385,301.63

Finding the Fourth Proportional to 153,001,412.59, 211,135,802.84 and 83,385,301.63

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Solution

The fourth proportional to 153,001,412.59, 211,135,802.84 and 83,385,301.63 is: 115,068,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,001,412.59 : 211,135,802.84 = 83,385,301.63 : x
  2. Step 2: Convert to fraction form
    153,001,412.59/211,135,802.84 = 83,385,301.63/x
  3. Step 3: Cross multiply
    153,001,412.59x = 211,135,802.84 × 83,385,301.63
  4. Step 4: Simplify right side
    153,001,412.59x = 17,605,622,604,288,684
  5. Step 5: Solve for x
    x = 17,605,622,604,288,684/153,001,412.59
  6. Step 6: Final answer
    x = 115,068,366.40

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1.5x scale

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.