Home / 153,406,829.59-211,700,022.56-83,792,189.59

Finding the Fourth Proportional to 153,406,829.59, 211,700,022.56 and 83,792,189.59

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Solution

The fourth proportional to 153,406,829.59, 211,700,022.56 and 83,792,189.59 is: 115,632,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,406,829.59 : 211,700,022.56 = 83,792,189.59 : x
  2. Step 2: Convert to fraction form
    153,406,829.59/211,700,022.56 = 83,792,189.59/x
  3. Step 3: Cross multiply
    153,406,829.59x = 211,700,022.56 × 83,792,189.59
  4. Step 4: Simplify right side
    153,406,829.59x = 17,738,808,425,920,808
  5. Step 5: Solve for x
    x = 17,738,808,425,920,808/153,406,829.59
  6. Step 6: Final answer
    x = 115,632,455.70

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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.