Home / 118,698,909.88-163,805,457.41-65,776,501.53

Finding the Fourth Proportional to 118,698,909.88, 163,805,457.41 and 65,776,501.53

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Solution

The fourth proportional to 118,698,909.88, 163,805,457.41 and 65,776,501.53 is: 90,772,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,698,909.88 : 163,805,457.41 = 65,776,501.53 : x
  2. Step 2: Convert to fraction form
    118,698,909.88/163,805,457.41 = 65,776,501.53/x
  3. Step 3: Cross multiply
    118,698,909.88x = 163,805,457.41 × 65,776,501.53
  4. Step 4: Simplify right side
    118,698,909.88x = 10,774,549,920,401,044
  5. Step 5: Solve for x
    x = 10,774,549,920,401,044/118,698,909.88
  6. Step 6: Final answer
    x = 90,772,105.08

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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.