Home / 145,319,041.99-200,377,369.65-118,775,040.28

Finding the Fourth Proportional to 145,319,041.99, 200,377,369.65 and 118,775,040.28

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Solution

The fourth proportional to 145,319,041.99, 200,377,369.65 and 118,775,040.28 is: 163,776,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,319,041.99 : 200,377,369.65 = 118,775,040.28 : x
  2. Step 2: Convert to fraction form
    145,319,041.99/200,377,369.65 = 118,775,040.28/x
  3. Step 3: Cross multiply
    145,319,041.99x = 200,377,369.65 × 118,775,040.28
  4. Step 4: Simplify right side
    145,319,041.99x = 23,799,830,151,379,200
  5. Step 5: Solve for x
    x = 23,799,830,151,379,200/145,319,041.99
  6. Step 6: Final answer
    x = 163,776,404.15

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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.